EP0329491A2 - Photographic elements incorporating antihalation and/or acutance dyes - Google Patents
Photographic elements incorporating antihalation and/or acutance dyes Download PDFInfo
- Publication number
- EP0329491A2 EP0329491A2 EP89301637A EP89301637A EP0329491A2 EP 0329491 A2 EP0329491 A2 EP 0329491A2 EP 89301637 A EP89301637 A EP 89301637A EP 89301637 A EP89301637 A EP 89301637A EP 0329491 A2 EP0329491 A2 EP 0329491A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- group
- photographic element
- alkenyl
- alkyl
- substituted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000975 dye Substances 0.000 title claims abstract description 76
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 15
- -1 silver halide Chemical class 0.000 claims abstract description 13
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 11
- 125000005017 substituted alkenyl group Chemical group 0.000 claims abstract description 11
- 125000004429 atom Chemical group 0.000 claims abstract description 10
- 125000000623 heterocyclic group Chemical group 0.000 claims abstract description 10
- 125000000547 substituted alkyl group Chemical group 0.000 claims abstract description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 9
- 229910052709 silver Inorganic materials 0.000 claims abstract description 8
- 239000004332 silver Substances 0.000 claims abstract description 8
- DZVCFNFOPIZQKX-LTHRDKTGSA-M merocyanine Chemical compound [Na+].O=C1N(CCCC)C(=O)N(CCCC)C(=O)C1=C\C=C\C=C/1N(CCCS([O-])(=O)=O)C2=CC=CC=C2O\1 DZVCFNFOPIZQKX-LTHRDKTGSA-M 0.000 claims abstract description 7
- 125000003710 aryl alkyl group Chemical group 0.000 claims abstract description 5
- 125000003118 aryl group Chemical group 0.000 claims abstract description 5
- 230000003381 solubilizing effect Effects 0.000 claims abstract description 5
- 230000002378 acidificating effect Effects 0.000 claims abstract description 3
- 125000002877 alkyl aryl group Chemical group 0.000 claims abstract description 3
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 125000002837 carbocyclic group Chemical group 0.000 claims abstract description 3
- 150000007942 carboxylates Chemical class 0.000 claims abstract description 3
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 claims abstract 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 claims description 10
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 125000001424 substituent group Chemical group 0.000 claims description 6
- FUOSTELFLYZQCW-UHFFFAOYSA-N 1,2-oxazol-3-one Chemical group OC=1C=CON=1 FUOSTELFLYZQCW-UHFFFAOYSA-N 0.000 claims description 3
- AIGNCQCMONAWOL-UHFFFAOYSA-N 1,3-benzoselenazole Chemical compound C1=CC=C2[se]C=NC2=C1 AIGNCQCMONAWOL-UHFFFAOYSA-N 0.000 claims description 3
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- HNYOPLTXPVRDBG-UHFFFAOYSA-N barbituric acid Chemical group O=C1CC(=O)NC(=O)N1 HNYOPLTXPVRDBG-UHFFFAOYSA-N 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical group O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 claims description 3
- DNTVKOMHCDKATN-UHFFFAOYSA-N pyrazolidine-3,5-dione Chemical compound O=C1CC(=O)NN1 DNTVKOMHCDKATN-UHFFFAOYSA-N 0.000 claims description 3
- ODIRBFFBCSTPTO-UHFFFAOYSA-N 1,3-selenazole Chemical compound C1=C[se]C=N1 ODIRBFFBCSTPTO-UHFFFAOYSA-N 0.000 claims description 2
- GCSVNNODDIEGEX-UHFFFAOYSA-N 2-sulfanylidene-1,3-oxazolidin-4-one Chemical compound O=C1COC(=S)N1 GCSVNNODDIEGEX-UHFFFAOYSA-N 0.000 claims description 2
- CZWWCTHQXBMHDA-UHFFFAOYSA-N 3h-1,3-thiazol-2-one Chemical compound OC1=NC=CS1 CZWWCTHQXBMHDA-UHFFFAOYSA-N 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-L Malonate Chemical compound [O-]C(=O)CC([O-])=O OFOBLEOULBTSOW-UHFFFAOYSA-L 0.000 claims description 2
- PCKPVGOLPKLUHR-UHFFFAOYSA-N OH-Indolxyl Chemical group C1=CC=C2C(O)=CNC2=C1 PCKPVGOLPKLUHR-UHFFFAOYSA-N 0.000 claims description 2
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 claims description 2
- AMTXUWGBSGZXCJ-UHFFFAOYSA-N benzo[e][1,3]benzoselenazole Chemical compound C1=CC=C2C(N=C[se]3)=C3C=CC2=C1 AMTXUWGBSGZXCJ-UHFFFAOYSA-N 0.000 claims description 2
- KXNQKOAQSGJCQU-UHFFFAOYSA-N benzo[e][1,3]benzothiazole Chemical compound C1=CC=C2C(N=CS3)=C3C=CC2=C1 KXNQKOAQSGJCQU-UHFFFAOYSA-N 0.000 claims description 2
- WMUIZUWOEIQJEH-UHFFFAOYSA-N benzo[e][1,3]benzoxazole Chemical compound C1=CC=C2C(N=CO3)=C3C=CC2=C1 WMUIZUWOEIQJEH-UHFFFAOYSA-N 0.000 claims description 2
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 claims description 2
- JYGFTBXVXVMTGB-UHFFFAOYSA-N indolin-2-one Chemical group C1=CC=C2NC(=O)CC2=C1 JYGFTBXVXVMTGB-UHFFFAOYSA-N 0.000 claims description 2
- LVWZTYCIRDMTEY-UHFFFAOYSA-N metamizole Chemical compound O=C1C(N(CS(O)(=O)=O)C)=C(C)N(C)N1C1=CC=CC=C1 LVWZTYCIRDMTEY-UHFFFAOYSA-N 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- CBDKQYKMCICBOF-UHFFFAOYSA-N thiazoline Chemical compound C1CN=CS1 CBDKQYKMCICBOF-UHFFFAOYSA-N 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 3
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 claims 1
- WFFZGYRTVIPBFN-UHFFFAOYSA-N 3h-indene-1,2-dione Chemical group C1=CC=C2C(=O)C(=O)CC2=C1 WFFZGYRTVIPBFN-UHFFFAOYSA-N 0.000 claims 1
- 125000002373 5 membered heterocyclic group Chemical group 0.000 claims 1
- 125000004070 6 membered heterocyclic group Chemical group 0.000 claims 1
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 claims 1
- 239000000839 emulsion Substances 0.000 abstract description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 36
- 238000000576 coating method Methods 0.000 description 17
- 238000002360 preparation method Methods 0.000 description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 14
- 238000012545 processing Methods 0.000 description 14
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- QGKMIGUHVLGJBR-UHFFFAOYSA-M (4z)-1-(3-methylbutyl)-4-[[1-(3-methylbutyl)quinolin-1-ium-4-yl]methylidene]quinoline;iodide Chemical compound [I-].C12=CC=CC=C2N(CCC(C)C)C=CC1=CC1=CC=[N+](CCC(C)C)C2=CC=CC=C12 QGKMIGUHVLGJBR-UHFFFAOYSA-M 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000008273 gelatin Substances 0.000 description 7
- 229920000159 gelatin Polymers 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 108010010803 Gelatin Proteins 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 235000019322 gelatine Nutrition 0.000 description 6
- 235000011852 gelatine desserts Nutrition 0.000 description 6
- 230000001235 sensitizing effect Effects 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical class O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- JKILNNRWVAJOET-UHFFFAOYSA-N 2-methyl-1,3-benzothiazole-6-sulfonic acid Chemical compound C1=C(S(O)(=O)=O)C=C2SC(C)=NC2=C1 JKILNNRWVAJOET-UHFFFAOYSA-N 0.000 description 4
- KDYVCOSVYOSHOL-UHFFFAOYSA-N 7-methylquinoline Chemical compound C1=CC=NC2=CC(C)=CC=C21 KDYVCOSVYOSHOL-UHFFFAOYSA-N 0.000 description 4
- JRLTTZUODKEYDH-UHFFFAOYSA-N 8-methylquinoline Chemical compound C1=CN=C2C(C)=CC=CC2=C1 JRLTTZUODKEYDH-UHFFFAOYSA-N 0.000 description 4
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 159000000000 sodium salts Chemical class 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical group C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 3
- DRDBNKYFCOLNQO-UHFFFAOYSA-N ethyl n-phenylmethanimidate Chemical compound CCOC=NC1=CC=CC=C1 DRDBNKYFCOLNQO-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QEKASRBFJOVRIE-UHFFFAOYSA-N 3-ethyl-2-methyl-1,3-benzothiazol-3-ium-6-sulfonic acid;4-methylbenzenesulfonate Chemical compound CC1=CC=C(S([O-])(=O)=O)C=C1.OS(=O)(=O)C1=CC=C2[N+](CC)=C(C)SC2=C1 QEKASRBFJOVRIE-UHFFFAOYSA-N 0.000 description 2
- ITQTTZVARXURQS-UHFFFAOYSA-N 3-methylpyridine Chemical compound CC1=CC=CN=C1 ITQTTZVARXURQS-UHFFFAOYSA-N 0.000 description 2
- DTBDAFLSBDGPEA-UHFFFAOYSA-N 3-methylquinoline Chemical compound C1=CC=CC2=CC(C)=CN=C21 DTBDAFLSBDGPEA-UHFFFAOYSA-N 0.000 description 2
- QMHIMXFNBOYPND-UHFFFAOYSA-N 4-methylthiazole Chemical compound CC1=CSC=N1 QMHIMXFNBOYPND-UHFFFAOYSA-N 0.000 description 2
- IZGGZHXHYVAGLY-UHFFFAOYSA-N 5-cyclopentylidene-1,3-dimethyl-1,3-diazinane-2,4,6-trione Chemical compound O=C1N(C)C(=O)N(C)C(=O)C1=C1CCCC1 IZGGZHXHYVAGLY-UHFFFAOYSA-N 0.000 description 2
- LMYVCXSKCQSIEQ-UHFFFAOYSA-N 5-methylquinoline Chemical compound C1=CC=C2C(C)=CC=CC2=N1 LMYVCXSKCQSIEQ-UHFFFAOYSA-N 0.000 description 2
- ZLLOWHFKKIOINR-UHFFFAOYSA-N 5-phenyl-1,3-thiazole Chemical compound S1C=NC=C1C1=CC=CC=C1 ZLLOWHFKKIOINR-UHFFFAOYSA-N 0.000 description 2
- HFDLDPJYCIEXJP-UHFFFAOYSA-N 6-methoxyquinoline Chemical compound N1=CC=CC2=CC(OC)=CC=C21 HFDLDPJYCIEXJP-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- BADXJIPKFRBFOT-UHFFFAOYSA-N dimedone Chemical compound CC1(C)CC(=O)CC(=O)C1 BADXJIPKFRBFOT-UHFFFAOYSA-N 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- DXYYSGDWQCSKKO-UHFFFAOYSA-N methylbenzothiazole Natural products C1=CC=C2SC(C)=NC2=C1 DXYYSGDWQCSKKO-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 125000006413 ring segment Chemical group 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- GKASDNZWUGIAMG-UHFFFAOYSA-N triethyl orthoformate Chemical compound CCOC(OCC)OCC GKASDNZWUGIAMG-UHFFFAOYSA-N 0.000 description 2
- XDPKQGKEOCYMQC-UHFFFAOYSA-N 1,2-diphenylpyrazolidine-3,5-dione Chemical compound O=C1CC(=O)N(C=2C=CC=CC=2)N1C1=CC=CC=C1 XDPKQGKEOCYMQC-UHFFFAOYSA-N 0.000 description 1
- UUJOCRCAIOAPFK-UHFFFAOYSA-N 1,3-benzoselenazol-5-ol Chemical compound OC1=CC=C2[se]C=NC2=C1 UUJOCRCAIOAPFK-UHFFFAOYSA-N 0.000 description 1
- BREUOIWLJRZAFF-UHFFFAOYSA-N 1,3-benzothiazol-5-ol Chemical compound OC1=CC=C2SC=NC2=C1 BREUOIWLJRZAFF-UHFFFAOYSA-N 0.000 description 1
- ORIIXCOYEOIFSN-UHFFFAOYSA-N 1,3-benzothiazol-6-ol Chemical compound OC1=CC=C2N=CSC2=C1 ORIIXCOYEOIFSN-UHFFFAOYSA-N 0.000 description 1
- UPPYOQWUJKAFSG-UHFFFAOYSA-N 1,3-benzoxazol-5-ol Chemical compound OC1=CC=C2OC=NC2=C1 UPPYOQWUJKAFSG-UHFFFAOYSA-N 0.000 description 1
- SAHAKBXWZLDNAA-UHFFFAOYSA-N 1,3-benzoxazol-6-ol Chemical compound OC1=CC=C2N=COC2=C1 SAHAKBXWZLDNAA-UHFFFAOYSA-N 0.000 description 1
- CYHVDCMBRUBZSS-UHFFFAOYSA-N 1,3-diethyl-2h-benzimidazole Chemical compound C1=CC=C2N(CC)CN(CC)C2=C1 CYHVDCMBRUBZSS-UHFFFAOYSA-N 0.000 description 1
- UHKAJLSKXBADFT-UHFFFAOYSA-N 1,3-indandione Chemical compound C1=CC=C2C(=O)CC(=O)C2=C1 UHKAJLSKXBADFT-UHFFFAOYSA-N 0.000 description 1
- ZOBPZXTWZATXDG-UHFFFAOYSA-N 1,3-thiazolidine-2,4-dione Chemical compound O=C1CSC(=O)N1 ZOBPZXTWZATXDG-UHFFFAOYSA-N 0.000 description 1
- GGZHVNZHFYCSEV-UHFFFAOYSA-N 1-Phenyl-5-mercaptotetrazole Chemical compound SC1=NN=NN1C1=CC=CC=C1 GGZHVNZHFYCSEV-UHFFFAOYSA-N 0.000 description 1
- HOUFOJVBRDZQAX-UHFFFAOYSA-N 1-ethyl-3-phenyl-2h-benzimidazole Chemical compound C12=CC=CC=C2N(CC)CN1C1=CC=CC=C1 HOUFOJVBRDZQAX-UHFFFAOYSA-N 0.000 description 1
- HIYWOHBEPVGIQN-UHFFFAOYSA-N 1h-benzo[g]indole Chemical class C1=CC=CC2=C(NC=C3)C3=CC=C21 HIYWOHBEPVGIQN-UHFFFAOYSA-N 0.000 description 1
- QRINVLDPXAXANH-UHFFFAOYSA-N 2,3,3a,4-tetrahydro-1,3-benzoselenazole Chemical compound C1C=CC=C2[Se]CNC21 QRINVLDPXAXANH-UHFFFAOYSA-N 0.000 description 1
- ALUQMCBDQKDRAK-UHFFFAOYSA-N 2,3,3a,4-tetrahydro-1,3-benzothiazole Chemical compound C1C=CC=C2SCNC21 ALUQMCBDQKDRAK-UHFFFAOYSA-N 0.000 description 1
- RNAMYOYQYRYFQY-UHFFFAOYSA-N 2-(4,4-difluoropiperidin-1-yl)-6-methoxy-n-(1-propan-2-ylpiperidin-4-yl)-7-(3-pyrrolidin-1-ylpropoxy)quinazolin-4-amine Chemical compound N1=C(N2CCC(F)(F)CC2)N=C2C=C(OCCCN3CCCC3)C(OC)=CC2=C1NC1CCN(C(C)C)CC1 RNAMYOYQYRYFQY-UHFFFAOYSA-N 0.000 description 1
- PTTPXKJBFFKCEK-UHFFFAOYSA-N 2-Methyl-4-heptanone Chemical compound CC(C)CC(=O)CC(C)C PTTPXKJBFFKCEK-UHFFFAOYSA-N 0.000 description 1
- DILXLMRYFWFBGR-UHFFFAOYSA-N 2-formylbenzene-1,4-disulfonic acid Chemical compound OS(=O)(=O)C1=CC=C(S(O)(=O)=O)C(C=O)=C1 DILXLMRYFWFBGR-UHFFFAOYSA-N 0.000 description 1
- NKSZCPBUWGZONP-UHFFFAOYSA-N 3,4-dihydroisoquinoline Chemical compound C1=CC=C2C=NCCC2=C1 NKSZCPBUWGZONP-UHFFFAOYSA-N 0.000 description 1
- AOKRXIIIYJGNNU-UHFFFAOYSA-N 3-methylcyclopentan-1-one Chemical compound CC1CCC(=O)C1 AOKRXIIIYJGNNU-UHFFFAOYSA-N 0.000 description 1
- MFBXYJLOYZMFIN-UHFFFAOYSA-N 3-phenylcyclopentan-1-one Chemical compound C1C(=O)CCC1C1=CC=CC=C1 MFBXYJLOYZMFIN-UHFFFAOYSA-N 0.000 description 1
- YVORRVFKHZLJGZ-UHFFFAOYSA-N 4,5-Dimethyloxazole Chemical compound CC=1N=COC=1C YVORRVFKHZLJGZ-UHFFFAOYSA-N 0.000 description 1
- UWSONZCNXUSTKW-UHFFFAOYSA-N 4,5-Dimethylthiazole Chemical compound CC=1N=CSC=1C UWSONZCNXUSTKW-UHFFFAOYSA-N 0.000 description 1
- NPSUJLPTWYJQCD-UHFFFAOYSA-N 4,5-dimethyl-1,3-benzoxazole Chemical compound CC1=CC=C2OC=NC2=C1C NPSUJLPTWYJQCD-UHFFFAOYSA-N 0.000 description 1
- ODKHOKLXMBWVOQ-UHFFFAOYSA-N 4,5-diphenyl-1,3-oxazole Chemical compound O1C=NC(C=2C=CC=CC=2)=C1C1=CC=CC=C1 ODKHOKLXMBWVOQ-UHFFFAOYSA-N 0.000 description 1
- BGTVICKPWACXLR-UHFFFAOYSA-N 4,5-diphenyl-1,3-thiazole Chemical compound S1C=NC(C=2C=CC=CC=2)=C1C1=CC=CC=C1 BGTVICKPWACXLR-UHFFFAOYSA-N 0.000 description 1
- IFEPGHPDQJOYGG-UHFFFAOYSA-N 4-chloro-1,3-benzothiazole Chemical compound ClC1=CC=CC2=C1N=CS2 IFEPGHPDQJOYGG-UHFFFAOYSA-N 0.000 description 1
- WQJKBLBBLUDZEW-UHFFFAOYSA-N 4-ethoxy-1,3-benzothiazole Chemical compound CCOC1=CC=CC2=C1N=CS2 WQJKBLBBLUDZEW-UHFFFAOYSA-N 0.000 description 1
- GQPBBURQQRLAKF-UHFFFAOYSA-N 4-ethyl-1,3-oxazole Chemical compound CCC1=COC=N1 GQPBBURQQRLAKF-UHFFFAOYSA-N 0.000 description 1
- XQPAPBLJJLIQGV-UHFFFAOYSA-N 4-methoxy-1,3-benzothiazole Chemical compound COC1=CC=CC2=C1N=CS2 XQPAPBLJJLIQGV-UHFFFAOYSA-N 0.000 description 1
- PIUXNZAIHQAHBY-UHFFFAOYSA-N 4-methyl-1,3-benzothiazole Chemical compound CC1=CC=CC2=C1N=CS2 PIUXNZAIHQAHBY-UHFFFAOYSA-N 0.000 description 1
- PUMREIFKTMLCAF-UHFFFAOYSA-N 4-methyl-1,3-oxazole Chemical compound CC1=COC=N1 PUMREIFKTMLCAF-UHFFFAOYSA-N 0.000 description 1
- BJATXNRFAXUVCU-UHFFFAOYSA-N 4-methyl-1,3-selenazole Chemical compound CC1=C[se]C=N1 BJATXNRFAXUVCU-UHFFFAOYSA-N 0.000 description 1
- SRGCYOMCADXFJA-UHFFFAOYSA-N 4-methyl-4,5-dihydro-1,3-thiazole Chemical compound CC1CSC=N1 SRGCYOMCADXFJA-UHFFFAOYSA-N 0.000 description 1
- RILRYAJSOCTFBV-UHFFFAOYSA-N 4-phenyl-1,3-benzothiazole Chemical compound C1=CC=C2SC=NC2=C1C1=CC=CC=C1 RILRYAJSOCTFBV-UHFFFAOYSA-N 0.000 description 1
- NTFMLYSGIKHECT-UHFFFAOYSA-N 4-phenyl-1,3-oxazole Chemical compound O1C=NC(C=2C=CC=CC=2)=C1 NTFMLYSGIKHECT-UHFFFAOYSA-N 0.000 description 1
- MLBGDGWUZBTFHT-UHFFFAOYSA-N 4-phenyl-1,3-selenazole Chemical compound [se]1C=NC(C=2C=CC=CC=2)=C1 MLBGDGWUZBTFHT-UHFFFAOYSA-N 0.000 description 1
- KXCQDIWJQBSUJF-UHFFFAOYSA-N 4-phenyl-1,3-thiazole Chemical compound S1C=NC(C=2C=CC=CC=2)=C1 KXCQDIWJQBSUJF-UHFFFAOYSA-N 0.000 description 1
- YXGBCQGWEUFUID-UHFFFAOYSA-N 4-thiophen-2-yl-1,3-thiazole Chemical compound C1=CSC(C=2N=CSC=2)=C1 YXGBCQGWEUFUID-UHFFFAOYSA-N 0.000 description 1
- HYXKRZZFKJHDRT-UHFFFAOYSA-N 5,6-dimethoxy-1,3-benzothiazole Chemical compound C1=C(OC)C(OC)=CC2=C1SC=N2 HYXKRZZFKJHDRT-UHFFFAOYSA-N 0.000 description 1
- RWNMLYACWNIEIG-UHFFFAOYSA-N 5,6-dimethyl-1,3-benzoxazole Chemical compound C1=C(C)C(C)=CC2=C1OC=N2 RWNMLYACWNIEIG-UHFFFAOYSA-N 0.000 description 1
- HYRJRCLMVQWKFD-UHFFFAOYSA-N 5-[2,5-bis(anilinomethylidene)cyclopentylidene]-1,3-dimethyl-1,3-diazinane-2,4,6-trione Chemical compound O=C1N(C)C(=O)N(C)C(=O)C1=C(C(CC1)=CNC=2C=CC=CC=2)C1=CNC1=CC=CC=C1 HYRJRCLMVQWKFD-UHFFFAOYSA-N 0.000 description 1
- KFDDRUWQFQJGNL-UHFFFAOYSA-N 5-bromo-1,3-benzothiazole Chemical compound BrC1=CC=C2SC=NC2=C1 KFDDRUWQFQJGNL-UHFFFAOYSA-N 0.000 description 1
- DUMYZVKQCMCQHJ-UHFFFAOYSA-N 5-chloro-1,3-benzoselenazole Chemical compound ClC1=CC=C2[se]C=NC2=C1 DUMYZVKQCMCQHJ-UHFFFAOYSA-N 0.000 description 1
- YTSFYTDPSSFCLU-UHFFFAOYSA-N 5-chloro-1,3-benzothiazole Chemical compound ClC1=CC=C2SC=NC2=C1 YTSFYTDPSSFCLU-UHFFFAOYSA-N 0.000 description 1
- VWMQXAYLHOSRKA-UHFFFAOYSA-N 5-chloro-1,3-benzoxazole Chemical compound ClC1=CC=C2OC=NC2=C1 VWMQXAYLHOSRKA-UHFFFAOYSA-N 0.000 description 1
- GWKNDCJHRNOQAR-UHFFFAOYSA-N 5-ethoxy-1,3-benzothiazole Chemical compound CCOC1=CC=C2SC=NC2=C1 GWKNDCJHRNOQAR-UHFFFAOYSA-N 0.000 description 1
- MHWNEQOZIDVGJS-UHFFFAOYSA-N 5-ethoxy-1,3-benzoxazole Chemical compound CCOC1=CC=C2OC=NC2=C1 MHWNEQOZIDVGJS-UHFFFAOYSA-N 0.000 description 1
- NOOVEGWEWDKPBG-UHFFFAOYSA-N 5-ethoxybenzo[e][2,1]benzothiazole Chemical compound C1=CC=C2C(OCC)=CC3=NSC=C3C2=C1 NOOVEGWEWDKPBG-UHFFFAOYSA-N 0.000 description 1
- GLKZKYSZPVHLDK-UHFFFAOYSA-N 5-iodo-1,3-benzothiazole Chemical compound IC1=CC=C2SC=NC2=C1 GLKZKYSZPVHLDK-UHFFFAOYSA-N 0.000 description 1
- AHIHYPVDBXEDMN-UHFFFAOYSA-N 5-methoxy-1,3-benzoselenazole Chemical compound COC1=CC=C2[se]C=NC2=C1 AHIHYPVDBXEDMN-UHFFFAOYSA-N 0.000 description 1
- PNJKZDLZKILFNF-UHFFFAOYSA-N 5-methoxy-1,3-benzothiazole Chemical compound COC1=CC=C2SC=NC2=C1 PNJKZDLZKILFNF-UHFFFAOYSA-N 0.000 description 1
- IQQKXTVYGHYXFX-UHFFFAOYSA-N 5-methoxy-1,3-benzoxazole Chemical compound COC1=CC=C2OC=NC2=C1 IQQKXTVYGHYXFX-UHFFFAOYSA-N 0.000 description 1
- BCRINXLZHIRZCG-UHFFFAOYSA-N 5-methoxybenzo[e][2,1]benzothiazole Chemical compound C1=CC=C2C(OC)=CC3=NSC=C3C2=C1 BCRINXLZHIRZCG-UHFFFAOYSA-N 0.000 description 1
- LDDVDAMRGURWPF-UHFFFAOYSA-N 5-methyl-1,3-benzoselenazole Chemical compound CC1=CC=C2[se]C=NC2=C1 LDDVDAMRGURWPF-UHFFFAOYSA-N 0.000 description 1
- SEBIXVUYSFOUEL-UHFFFAOYSA-N 5-methyl-1,3-benzothiazole Chemical compound CC1=CC=C2SC=NC2=C1 SEBIXVUYSFOUEL-UHFFFAOYSA-N 0.000 description 1
- UBIAVBGIRDRQLD-UHFFFAOYSA-N 5-methyl-1,3-benzoxazole Chemical compound CC1=CC=C2OC=NC2=C1 UBIAVBGIRDRQLD-UHFFFAOYSA-N 0.000 description 1
- ZYMHCFYHVYGFMS-UHFFFAOYSA-N 5-methyl-1,3-oxazole Chemical compound CC1=CN=CO1 ZYMHCFYHVYGFMS-UHFFFAOYSA-N 0.000 description 1
- RLYUNPNLXMSXAX-UHFFFAOYSA-N 5-methylthiazole Chemical compound CC1=CN=CS1 RLYUNPNLXMSXAX-UHFFFAOYSA-N 0.000 description 1
- AAKPXIJKSNGOCO-UHFFFAOYSA-N 5-phenyl-1,3-benzothiazole Chemical compound C=1C=C2SC=NC2=CC=1C1=CC=CC=C1 AAKPXIJKSNGOCO-UHFFFAOYSA-N 0.000 description 1
- NIFNXGHHDAXUGO-UHFFFAOYSA-N 5-phenyl-1,3-benzoxazole Chemical compound C=1C=C2OC=NC2=CC=1C1=CC=CC=C1 NIFNXGHHDAXUGO-UHFFFAOYSA-N 0.000 description 1
- YPYPBEGIASEWKA-UHFFFAOYSA-N 5-phenyl-1,3-oxazole Chemical compound O1C=NC=C1C1=CC=CC=C1 YPYPBEGIASEWKA-UHFFFAOYSA-N 0.000 description 1
- YJOUISWKEOXIMC-UHFFFAOYSA-N 6-bromo-1,3-benzothiazole Chemical compound BrC1=CC=C2N=CSC2=C1 YJOUISWKEOXIMC-UHFFFAOYSA-N 0.000 description 1
- AIBQGOMAISTKSR-UHFFFAOYSA-N 6-chloro-1,3-benzothiazole Chemical compound ClC1=CC=C2N=CSC2=C1 AIBQGOMAISTKSR-UHFFFAOYSA-N 0.000 description 1
- GKJSZXGYFJBYRQ-UHFFFAOYSA-N 6-chloroquinoline Chemical compound N1=CC=CC2=CC(Cl)=CC=C21 GKJSZXGYFJBYRQ-UHFFFAOYSA-N 0.000 description 1
- AJAKVPMSAABZRX-UHFFFAOYSA-N 6-ethoxyquinoline Chemical compound N1=CC=CC2=CC(OCC)=CC=C21 AJAKVPMSAABZRX-UHFFFAOYSA-N 0.000 description 1
- NICZKYFUJVAZLV-UHFFFAOYSA-N 6-iodo-1,3-benzothiazole Chemical compound IC1=CC=C2N=CSC2=C1 NICZKYFUJVAZLV-UHFFFAOYSA-N 0.000 description 1
- AHOIGFLSEXUWNV-UHFFFAOYSA-N 6-methoxy-1,3-benzothiazole Chemical compound COC1=CC=C2N=CSC2=C1 AHOIGFLSEXUWNV-UHFFFAOYSA-N 0.000 description 1
- FKYKJYSYSGEDCG-UHFFFAOYSA-N 6-methoxy-1,3-benzoxazole Chemical compound COC1=CC=C2N=COC2=C1 FKYKJYSYSGEDCG-UHFFFAOYSA-N 0.000 description 1
- IVKILQAPNDCUNJ-UHFFFAOYSA-N 6-methyl-1,3-benzothiazole Chemical compound CC1=CC=C2N=CSC2=C1 IVKILQAPNDCUNJ-UHFFFAOYSA-N 0.000 description 1
- SZWNDAUMBWLYOQ-UHFFFAOYSA-N 6-methylbenzoxazole Chemical compound CC1=CC=C2N=COC2=C1 SZWNDAUMBWLYOQ-UHFFFAOYSA-N 0.000 description 1
- RXEDQOMFMWCKFW-UHFFFAOYSA-N 7-chloro-1,3-benzothiazole Chemical compound ClC1=CC=CC2=C1SC=N2 RXEDQOMFMWCKFW-UHFFFAOYSA-N 0.000 description 1
- FKCXEFZYHDZZJJ-UHFFFAOYSA-N 7-methoxybenzo[e][1,2]benzothiazole Chemical compound C1=CC2=CC(OC)=CC=C2C2=C1SN=C2 FKCXEFZYHDZZJJ-UHFFFAOYSA-N 0.000 description 1
- RUSMDMDNFUYZTM-UHFFFAOYSA-N 8-chloroquinoline Chemical compound C1=CN=C2C(Cl)=CC=CC2=C1 RUSMDMDNFUYZTM-UHFFFAOYSA-N 0.000 description 1
- FSPXGIGFANKNKG-UHFFFAOYSA-N 8-methoxybenzo[e][1,2]benzothiazole Chemical compound C12=CC(OC)=CC=C2C=CC2=C1C=NS2 FSPXGIGFANKNKG-UHFFFAOYSA-N 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- PWUXVUCSHRWOOI-UHFFFAOYSA-J [Na].Cl[Au](Cl)(Cl)Cl Chemical compound [Na].Cl[Au](Cl)(Cl)Cl PWUXVUCSHRWOOI-UHFFFAOYSA-J 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 125000003785 benzimidazolyl group Chemical class N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- JOCPPNOEKLUWCH-UHFFFAOYSA-N benzo[e][1,2]benzoselenazole Chemical compound C1=CC=CC2=C3C=N[se]C3=CC=C21 JOCPPNOEKLUWCH-UHFFFAOYSA-N 0.000 description 1
- XYKSABPYIZPLRX-UHFFFAOYSA-N benzo[e][1,2]benzothiazole Chemical compound C1=CC=CC2=C3C=NSC3=CC=C21 XYKSABPYIZPLRX-UHFFFAOYSA-N 0.000 description 1
- KZCMZPDROXCRGA-UHFFFAOYSA-N benzo[e][1,2]benzoxazole Chemical compound C1=CC=CC2=C3C=NOC3=CC=C21 KZCMZPDROXCRGA-UHFFFAOYSA-N 0.000 description 1
- VUBCPKXFERPHDI-UHFFFAOYSA-N benzo[e][2,1]benzoselenazole Chemical compound C1=CC=C2C3=C[se]N=C3C=CC2=C1 VUBCPKXFERPHDI-UHFFFAOYSA-N 0.000 description 1
- GDJSVWSYEXFOTJ-UHFFFAOYSA-N benzo[e][2,1]benzothiazole Chemical compound C1=CC=C2C3=CSN=C3C=CC2=C1 GDJSVWSYEXFOTJ-UHFFFAOYSA-N 0.000 description 1
- QJOFPHDURCNXSG-UHFFFAOYSA-N benzo[e][2,1]benzoxazole Chemical compound C1=CC=C2C3=CON=C3C=CC2=C1 QJOFPHDURCNXSG-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 125000004181 carboxyalkyl group Chemical group 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- JNGZXGGOCLZBFB-IVCQMTBJSA-N compound E Chemical compound N([C@@H](C)C(=O)N[C@@H]1C(N(C)C2=CC=CC=C2C(C=2C=CC=CC=2)=N1)=O)C(=O)CC1=CC(F)=CC(F)=C1 JNGZXGGOCLZBFB-IVCQMTBJSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- VRZVPALEJCLXPR-UHFFFAOYSA-N ethyl 4-methylbenzenesulfonate Chemical compound CCOS(=O)(=O)C1=CC=C(C)C=C1 VRZVPALEJCLXPR-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Substances C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- GXHFUVWIGNLZSC-UHFFFAOYSA-N meldrum's acid Chemical compound CC1(C)OC(=O)CC(=O)O1 GXHFUVWIGNLZSC-UHFFFAOYSA-N 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 150000002916 oxazoles Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000120 polyethyl acrylate Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- OVYWMEWYEJLIER-UHFFFAOYSA-N quinolin-6-ol Chemical compound N1=CC=CC2=CC(O)=CC=C21 OVYWMEWYEJLIER-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001454 recorded image Methods 0.000 description 1
- KIWUVOGUEXMXSV-UHFFFAOYSA-N rhodanine Chemical compound O=C1CSC(=S)N1 KIWUVOGUEXMXSV-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 150000003557 thiazoles Chemical class 0.000 description 1
- 150000003549 thiazolines Chemical class 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
- G03C1/83—Organic dyestuffs therefor
- G03C1/832—Methine or polymethine dyes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/494—Silver salt compositions other than silver halide emulsions; Photothermographic systems ; Thermographic systems using noble metal compounds
- G03C1/498—Photothermographic systems, e.g. dry silver
- G03C1/49836—Additives
- G03C1/49845—Active additives, e.g. toners, stabilisers, sensitisers
- G03C1/49854—Dyes or precursors of dyes
Definitions
- This invention relates to a photographic element incorporating an antihalation or acutance dye.
- Light sensitive recording materials may suffer from a phenomenon known as halation which causes degradation in the quality of the recorded image. Such degradation may occur when a fraction of the imaging light which strikes the photosensitive layer is not absorbed but passes through to the film base on which the photosensitive layer is coated. A portion of the light reaching the base may be reflected back to strike the photosensitive layer from the underside. Light thus reflected may, in some cases, contribute significantly to the total exposure of the photosensitive layer. Any particular matter in the photosensitive element may cause light passing through the element to be scattered. Scattered light which is reflected from the film base will, on its second passage through the photosensitive layer, cause exposure over an area adjacent to the point of intended exposure. It is this effect which leads to image degradation.
- Silver halide based photographic materials are prone to this form of image degradation since the photosensitive layers contain light scattering particles.
- the effect of light scatter on image quality is well documented and is described, for example, in T. H. James "The Theory of the Photographic Process", 4th Edition, Chapter 20, Macmillan 1977.
- a light absorbing layer within the photographic element. To be effective the absorption of this layer must be at the same wavelengths as the sensitivity of the photosensitive layer.
- a light absorbing layer is frequently coated on the reverse side of the base from the photosensitive layer. Such a coating, known as an "antihalation layer", effectively prevents reflection of any light which has passed through the photosensitive layer.
- a similar effect may be achieved by a light absorbing layer interposed between the photosensitive layer and the base.
- This construction described as an "antihalation underlayer” is applicable to photosensitive coatings on transparent or non-transparent bases.
- a light absorbing substance may be incorporated into the photosensitive layer itself, in order to absorb scattered light. Substances used for this purpose are known as "acutance dyes". It is also possible to improve image quality by coating a light absorbing layer above the photosensitive layer of a wet processed photographic element. Coatings of this kind, described in U.S. Patent Specification No. 4,312,941 prevent multiple reflections of scattered light between the internal surfaces of a photographic element.
- Triarylmethane and oxonol dyes in particular, are used extensively in this connection. There is, however, a need for antihalation and acutance dyes which absorb in the near infrared region of the spectrum. Dyes of this type are required for recording materials which are spectrally sensitized to near infrared wavelengths, for example, materials which are designed to record the output of near infrared lasers. Coatings of infrared absorbing pigments such as carbon black may be used. However, the use of this material is objectionable since it does not decolorise during processing and must therefore be coated in a binder which dissolves in developing solution allowing the carbon black to wash off causing objectionable contamination of the developer.
- Coatings of antihalation or acutance dyes which absorb in the visible region of the spectrum are required to become colorless during processing of the photographic material, either by washing out or chemical reaction in wet processing techniques or thermal bleaching during heat processing techniques.
- Cyanine dyes are well known in the photographic art and are extensively used as spectral sensitizers for silver halide based materials. Cyanine dyes are not usually used or considered suitable for antihalation or acutance purposes owing to their limited solubility in aqueous media and especially to their inability to decolorise completely during photographic processing when present in large quantities.
- R1 and R2 independently represent an alkyl, substituted alkyl, alkenyl, substituted alkenyl or aralkyl group of up to 20 carbon atoms
- R3 and R4 independently represent a hydrogen atom or an alkyl, substituted alkyl, alkenyl or substituted alkenyl group of up to 10 carbon atoms
- R5, R6, R7 and R8, which together may not contain more than 12 carbon atoms independently represent a hydrogen atom, an alkyl, substituted alkyl, alkenyl, substituted alkenyl, aryl or alkaryl group, or one of R5 and R6 together with one of R7 and R8 represent the necessary atoms to complete a carbocyclic ring (e.g. a benzene ring) in which case the others of R5 to R8 are absent,
- Q1 and Q2 together represent the non-metallic atomsnecessary to complete an acidic nucleus of the type present in oxonol or merocyanine dyes.
- the heterocyclic nuclei formed by Z1 and Z2 may be any of the wide range of nuclei known in the cyanine dye art. Generally, Z1 and Z2 each represent the non-metallic atoms necessary to complete a heterocyclic nucleus containing 5 to 6 atoms in the heterocyclic ring, the nucleus optionally possessing substituents.
- the heterocyclic ring is composed of ring atoms selected form C, N, O, S and Se. Examples of such heterocyclic nuclei include: the thiazole series, e.g.
- thiazole 4-methylthiazole, 4-phenylthiazole, 5-methylthiazole, 5-phenylthiazole, 4,5-dimethylthiazole, 4,5-diphenylthiazole, 4-(2-thienyl)-thiazole, the benzothiazole series, e.g.
- naphtho[1,2]-thiazole naphtho[2,1]thiazole, 5-methoxynaphtho-[2,1]-thiazole, 5-ethoxynaphtho[2,1]thiazole, 8-methoxynaphtho[1,2]thiazole, 7-methoxynaphtho[1,2]thiazole, the thianaphtheno-7′,6′,4,5-thiazole series, e.g. 4′-methoxythianaphtheno-7′,6′,4,5,-thiazole, the oxazole series, e.g.
- quinoline 3-methylquinoline, 5-methylquinoline, 7-methylquinoline, 8-methylquinoline, 6-chloroquinoline, 8-chloroquinoline, 6-methoxy-quinoline, 6-ethoxyquinoline, 6-hydroxyquinoline, 8-hydroquinoline, the 4-quinoline series, e.g. quinoline, 6-methoxyquinoline, 7-methylquinoline, 8-methylquinoline, the 1-isoquinoline series, e.g. isoquinoline, 3,4-dihydroisoquinoline, the 3-isoquinoline series, e.g. isoquinoline, the benzimidazole series, e.g.
- Z1 and/or Z2 complete a benzothiazole nucleus or a 3,3-dialkylindolenine nucleus.
- the groups R1 and R2 contain less than 8 carbon atoms. More preferably R1 and R2 are lower alkyl groups containing up to 4 carbon atoms.
- the alkyl groups may contain any substituent which does not deleteriously effect the properties of the dye as known in the cyanine art. Suitable substituted alkyl groups include alkoxy-alkyl, benzyl and carboxy-alkyl.
- R3 and R4 represent a hydrogen atom or a lower alkyl group containing 1 to 4 carbon atoms.
- R5 to R8 are hydrogen.
- certain substituted cyclopentanones are commercially available which may be used as intermediates in the preparation of the dyes of formula (I), e.g. 3-methyl-cyclopentanone and 3-phenylcyclopentanone and accordingly one of R5 to R8 may readily represent these substituents.
- the cyclic acid nuclei completed by the groups Q1 and Q2 preferably have the ring atoms selected from C, S, N, O and Se.
- Suitable moieties are derived from the following nuclei which may additionally possess substituents: 1,3-indandione, pyrazolone, isoxazolone, e.g.
- a preferred cyclic nucleus completed by Q1 and Q2 has the general formula: in which: R9 and R10 independently represent a hydrogen atom, an alkyl or cycloalkyl gruop which may be substituted, e.g. hydroxyalkyl, alkoxy-alkyl, alkoxycarbonyl, polyoxyalkyl; alkenyl or substituted alkenyl, an aryl group which may be substituted, or an aralkyl group, any of which groups may contain up to 25 carbon atoms.
- R9 and R10 together contain at least 8 carbon atoms and are aliphatic groups, more preferably at least one of R9 and R10 ⁇ represents an alkyl group containing at least 8 carbon atoms.
- the dyes of formula (I) absorb in the near infrared having a very low visible absorption whilst retaining a high extinction coefficient at the absorption maximum.
- the dyes of the invention have extinction coefficients at their maximum absorption wavelength (typically 800 nm or higher) of the order of 2.5 x 105 to 3.0 x 105. However, at 700 nm the absorption has generally fallen to approximately 10% of this value and at 650 nm the absorption is down to approximately 2% of the value, as measured in methanolic solution.
- the dyes may be incorporated into wet processed photographic or photothermographic elements as actuance dyes according to conventional techniques.
- the dyes may also be incorporated into antihalation layers according to techniques of the prior art, for example, in the case of wet processed photographic elements, as an antihalation backing layer, an antihalation underlayer or as an overcoat. It is also anticipated that similar nonamethine dyes would be suitable for use as actuance and antihalation dyes.
- the present invention describes the preparation and use of water soluble, holopolar dyes as a non-stining antihalation system for near infrared recording media.
- Dyes similar to formula (I) are known without the ring, water solubilizing groups.
- a class of dyes is disclosed in U.S. Patent Specification No. 2,955,939 for the sensitization of silver halide emulsions and in U.S. Patent 4,581,325 for use as antihalation dyes.
- U.S. Patent 3,194,805 discloses a class of merocyanine and holopolar dyes containing arylene-chain substitution and their use as spectral sensitizing dyes.
- the quantity of sensitising dye used in the emulsions disclosed in U.S. Patent Specification No. 2,955,939 is in the general range 5 to 100, usually 10 to 20 mg per liter of emulsion whereas for acutance purposes in accordance with the invention the dyes would generally be used in the range 200 to 1000 mg per liter of emulsion.
- U.S. 2,955,939 - holopolar dyes as sensitizers Cover tri, penta and heptamethine dyes in examples. Examples cover different middle rings such as barbituric acid, 2-thiobarbaturic, rhodanine, thianaphthenone-1,1-dioxide, isoxazolone, and pyrazolone.
- Table I contains the dyes of formula (I) which have been prepared and also other classes of dyes for comparison. Also included are references for the preparation of these compounds. The structures of the dyes are listed below.
- 2-methylbenzthiazole 60 g, 0.4 mole was placed in a 250 ml round bottom flask fitted with a stirring bar, thermometer, condenser, and heating mantle. While stirring, 100 ml of concentrated sulfuric acid was added with subsequent temperature rise to 80°C. Oleum (80 ml, 30%) was added over a two minute period with the temperature rising to 115°C and formation of a dark solution. Ferric chloride (0.3 g) was added to the reaction heated to 200°C for one hour. The reaction was cooled to 50°C and poured into 6 liters of cool (10°C) acetone with good stirring. The resulting slurry was stirred for 15 minutes.
- the sodium salt of 2-methyl-6-sulfobenzthiazole (40 g, 0.159 mole) was placed in a 500 ml flask equipped with a mechanical stirrer, thermometer, condenser, and a heating mantle.
- Ethyl-p-toluenesulfonate (169 g, 0.845 mole) and 7 ml of dimethylformamide were added with stirring and the mixture was heated to 175°C for three hours.
- 2,6-dimethyl-4-heptanone (25 ml) was added to aid stirring, and the mass was cooled to 60°C.
- the thick fluid was poured into 250 ml of well stirred acetone to precipitate the product. The slurry was cooled, filtered and dried at 80°C for two hours. Recovered 61.5 g; an 85.6% yield.
- the sodium salt of 2-methyl-3-ethyl-6-sulfobenzthiazolium tosylate (4.51 g, 0.01 mole), and 5-(2-5-dianilinomethylenecyclopentylidene)-1,3-dimethylbarbituric acid (1.98 g, 0.005 mole), 20 ml of dimethylformamide, and 3 ml of triethylamine were mixed together in a 100 ml flask fitted with a thermometer, stirrer, reflux condenser and oil bath. The mixture was heated to 100°C with stirring for 5 minutes. The reaction mixture was poured into 200 ml of hexane with vigorous stirring.
- Evaluation of the dyes was performed by coating an antihalation backing layer containing the dyes on 7 mil polyester base. Each dye was dissolved in water and added to an aqueous solution of gelatin at 40°C. A surfactant and formaldehyde (4.3 ml, 4%) were also added. THe final solution was at 5% gelatin. The dye-gelatin mixture was coated at 65 ml/m2 onto subbed polyester base and dried. The characteristics of the AH coatings are reported in Table II.
- the results listed in Table II show that the water soluble holopolar dyes (Ex. 1-4) offer particular advantages over water soluble cyanine dyes (A-D).
- the water soluble cyanine dye E does give a strong near infrared absorbing coating but has the drawback of high stain after automatic processing.
- the cyanine dyes, A-D had strong maximum absorbance from 760-810 nm in methanol. However, when these dyes were added to water and coated as a gelatin solution, the absorbance curves shifted to lower wavelengths.
- An emulsion was prepared by a double jet precipitation having 64% chloride and 36% bromide with an average grain size of 0.24 micrometers.
- the emulsion was digested with p-toluenesulfinic acid, sodium thiosulfate and sodium gold tetrachloride (NaAuCl4).
- Final preparation of the emulsions comprised the addition of water and gelatin to a level of 5.0% gelatin and 2500 g of emulsion per mole of silver.
- the pH was adjusted to 7.0, and the pAg was adjusted to 7.2.
- Infrared sensitizing dye (F) was added in methanol at 30 mg/mole Ag.
- Phenyl-5-mercaptotetrazole in methanol (115 mg/mole Ag), poly(ethylacrylate) (30 g/mole Ag), formaldehyde hardener and surfactant were also added before coating.
- the material was coated at 2.4 g Ag/m2.
- the emulsion was coated on
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Abstract
Bleachable dyes for use in photographic and photothermographic silver halide emulsions of the general formula:
in which:
m+p=2,
n is 0 or 1,
s is 0 or 1,
Z¹ and Z² independently represent the non-metallic atoms necessary to complete a heterocyclic nucleus of the type present in cyanine dyes and in addition contain a water solubilizing group such as sulphonate, carboxylate, etc.,
R¹ and R² independently represent alkyl or substituted alkyl, alkenyl, substituted alkenyl or aralkyl, each group containing not more than 20 carbon atoms.
R³ and R⁴ independently represent a hydrogen atom or an alkyl, substituted alkyl, alkenyl or substituted alkenyl each of which groups contain not more than 10 carbon atoms.
R⁵, R⁶, R⁷ and R⁸, which together may not contain more than 12 carbon atoms, independently represent a hydrogen atom, an alkyl, substituted alkyl, alkenyl, substituted alkenyl, aryl or alkaryl group, or
one of R⁵ and R⁶ together with one of R⁷ and R⁸ represent the necessary atoms to complete a carbocyclic ring in which case the others of R⁵ to R⁸ are absent,
Q¹ and Q² together represent the non-metallic atoms necessary to complete an acidic nucleus of the type present in oxonol or merocyanine dyes.
m+p=2,
n is 0 or 1,
s is 0 or 1,
Z¹ and Z² independently represent the non-metallic atoms necessary to complete a heterocyclic nucleus of the type present in cyanine dyes and in addition contain a water solubilizing group such as sulphonate, carboxylate, etc.,
R¹ and R² independently represent alkyl or substituted alkyl, alkenyl, substituted alkenyl or aralkyl, each group containing not more than 20 carbon atoms.
R³ and R⁴ independently represent a hydrogen atom or an alkyl, substituted alkyl, alkenyl or substituted alkenyl each of which groups contain not more than 10 carbon atoms.
R⁵, R⁶, R⁷ and R⁸, which together may not contain more than 12 carbon atoms, independently represent a hydrogen atom, an alkyl, substituted alkyl, alkenyl, substituted alkenyl, aryl or alkaryl group, or
one of R⁵ and R⁶ together with one of R⁷ and R⁸ represent the necessary atoms to complete a carbocyclic ring in which case the others of R⁵ to R⁸ are absent,
Q¹ and Q² together represent the non-metallic atoms necessary to complete an acidic nucleus of the type present in oxonol or merocyanine dyes.
Description
- This invention relates to a photographic element incorporating an antihalation or acutance dye.
- Light sensitive recording materials may suffer from a phenomenon known as halation which causes degradation in the quality of the recorded image. Such degradation may occur when a fraction of the imaging light which strikes the photosensitive layer is not absorbed but passes through to the film base on which the photosensitive layer is coated. A portion of the light reaching the base may be reflected back to strike the photosensitive layer from the underside. Light thus reflected may, in some cases, contribute significantly to the total exposure of the photosensitive layer. Any particular matter in the photosensitive element may cause light passing through the element to be scattered. Scattered light which is reflected from the film base will, on its second passage through the photosensitive layer, cause exposure over an area adjacent to the point of intended exposure. It is this effect which leads to image degradation. Silver halide based photographic materials (including photothermographic materials) are prone to this form of image degradation since the photosensitive layers contain light scattering particles. The effect of light scatter on image quality is well documented and is described, for example, in T. H. James "The Theory of the Photographic Process", 4th Edition, Chapter 20, Macmillan 1977.
- It is common practice to minimize the effects of light scatter by including a light absorbing layer within the photographic element. To be effective the absorption of this layer must be at the same wavelengths as the sensitivity of the photosensitive layer. In the case of imaging materials coated on transparent base, a light absorbing layer is frequently coated on the reverse side of the base from the photosensitive layer. Such a coating, known as an "antihalation layer", effectively prevents reflection of any light which has passed through the photosensitive layer.
- A similar effect may be achieved by a light absorbing layer interposed between the photosensitive layer and the base. This construction, described as an "antihalation underlayer" is applicable to photosensitive coatings on transparent or non-transparent bases. A light absorbing substance may be incorporated into the photosensitive layer itself, in order to absorb scattered light. Substances used for this purpose are known as "acutance dyes". It is also possible to improve image quality by coating a light absorbing layer above the photosensitive layer of a wet processed photographic element. Coatings of this kind, described in U.S. Patent Specification No. 4,312,941 prevent multiple reflections of scattered light between the internal surfaces of a photographic element.
- Many substances are known which absorb visible and/or ultraviolet light, that are suitable for image improvement purposes in conventional photographic elements sensitized to wavelengths below 700 nm. Triarylmethane and oxonol dyes in particular, are used extensively in this connection. There is, however, a need for antihalation and acutance dyes which absorb in the near infrared region of the spectrum. Dyes of this type are required for recording materials which are spectrally sensitized to near infrared wavelengths, for example, materials which are designed to record the output of near infrared lasers. Coatings of infrared absorbing pigments such as carbon black may be used. However, the use of this material is objectionable since it does not decolorise during processing and must therefore be coated in a binder which dissolves in developing solution allowing the carbon black to wash off causing objectionable contamination of the developer.
- The classes or organic dyes which are commonly employed for antihalation and/or acutance purposes in ultraviolet and visible light sensitive materials do not readily form stable derivatives which absorb strongly in the near infrared. References to visible light herein refer to wavelengths between 400 and 700 nm and references to near infrared light refer to wavelengths between 700 and 1400 nm.
- Coatings of antihalation or acutance dyes which absorb in the visible region of the spectrum are required to become colorless during processing of the photographic material, either by washing out or chemical reaction in wet processing techniques or thermal bleaching during heat processing techniques. Cyanine dyes are well known in the photographic art and are extensively used as spectral sensitizers for silver halide based materials. Cyanine dyes are not usually used or considered suitable for antihalation or acutance purposes owing to their limited solubility in aqueous media and especially to their inability to decolorise completely during photographic processing when present in large quantities.
- It is an object of the invention to provide a class of dyes which are water soluble and are capable of producing coatings which absorb in the near infrared and become colorless during processing.
- Therefore, according to the present invention there is provided a photographic element comprising one or more photosensitive layers and, as an antihalation or acutance dye, an antihalation or acutance effective amount of one or more compounds of the formula:
m+p=2, preferably m=p=1,
n is 0 or 1,
s is 0 or 1,
Z¹ and Z² independently represent the non-metallic atoms necessary to complete a heterocyclic nucleus of the type present in cyanine dyes and in addition contain a water solubilizing group such as sulphonate, carboxylate, etc. - R¹ and R² independently represent an alkyl, substituted alkyl, alkenyl, substituted alkenyl or aralkyl group of up to 20 carbon atoms,
R³ and R⁴ independently represent a hydrogen atom or an alkyl, substituted alkyl, alkenyl or substituted alkenyl group of up to 10 carbon atoms,
R⁵, R⁶, R⁷ and R⁸, which together may not contain more than 12 carbon atoms, independently represent a hydrogen atom, an alkyl, substituted alkyl, alkenyl, substituted alkenyl, aryl or alkaryl group, or
one of R⁵ and R⁶ together with one of R⁷ and R⁸ represent the necessary atoms to complete a carbocyclic ring (e.g. a benzene ring) in which case the others of R⁵ to R⁸ are absent,
- Q¹ and Q² together represent the non-metallic atomsnecessary to complete an acidic nucleus of the type present in oxonol or merocyanine dyes.
- The heterocyclic nuclei formed by Z¹ and Z² may be any of the wide range of nuclei known in the cyanine dye art. Generally, Z¹ and Z² each represent the non-metallic atoms necessary to complete a heterocyclic nucleus containing 5 to 6 atoms in the heterocyclic ring, the nucleus optionally possessing substituents. Preferably, the heterocyclic ring is composed of ring atoms selected form C, N, O, S and Se. Examples of such heterocyclic nuclei include:
the thiazole series, e.g. thiazole, 4-methylthiazole, 4-phenylthiazole, 5-methylthiazole, 5-phenylthiazole, 4,5-dimethylthiazole, 4,5-diphenylthiazole, 4-(2-thienyl)-thiazole,
the benzothiazole series, e.g. benzothiazole, 4-chlorobenzothiazole, 5-chlorobenzothiazole, 6-chlorobenzothiazole, 7-chlorobenzothiazole, 4-methylbenzothiazole, 5-methylbenzothiazole, 6-methylbenzothiazole, 5-bromobenzothiazole, 6-bromobenzothiazole, 4-phenylbenzothiazole, 5-phenylbenzothiazole, 4-methoxybenzothiazole, 5-methoxybenzothiazole, 6-methoxybenzothiazole, 5-iodobenzothiazole, 6-iodobenzothiazole, 4-ethoxybenzothiazole, 5-ethoxybenzothiazole, tetrahydrobenzothiazole, 5,6-dimethoxybenzothiazole, 5,6-dioxymethylenebenzothiazole, 5-hydroxybenzothiazole, 6-hydroxybenzothiazole,
the naphthothiazole series, e.g. naphtho[1,2]-thiazole, naphtho[2,1]thiazole, 5-methoxynaphtho-[2,1]-thiazole, 5-ethoxynaphtho[2,1]thiazole, 8-methoxynaphtho[1,2]thiazole, 7-methoxynaphtho[1,2]thiazole,
the thianaphtheno-7′,6′,4,5-thiazole series, e.g. 4′-methoxythianaphtheno-7′,6′,4,5,-thiazole,
the oxazole series, e.g. 4-methyloxazole, 5-methyloxazole, 4-phenyloxazole, 4,5-diphenyloxazole, 4-ethyloxazole, 4,5-dimethyloxazole, 5-phenyloxazole,
the benzoxazole series, e.g. benzoxazole, 5-chlorobenzoxasole, 5-methylbenzoxazole, 5-phenylbenzoxazole, 6-methylbenzoxazole, 5,6-dimethylbenzoxazole, 4,5-dimethylbenzoxazole, 5-methoxybenzoxazole, 5-ethoxybenzoxazole, 5-chlorobenzoxazole, 6-methoxybenzoxazole, 5-hydroxybenzoxazole, 6-hydroxybenzoxazole,
the naphthoxazole series, e.g. naphtho[1,2]oxazole, naphtho[2,1]oxazole,
the selenazole series, e.g. 4-methylselenazole, 4-phenylselenazole,
the benzoselenazole series, e.g. benzoselenazole, 5-chlorobenzoselenazole, 5-methylbenzoselenazole, 5-methoxybenzoselenazole, 5-hydroxybenzoselenazole, tetrahydrobenzoselenazole,
the naphthoselenazole series, e.g. naphtho[1,2]-selenazole, naphtho[2,1]selenazole,
the thiazoline series, e.g. thiazoline, 4-methylthiazoline,
the 2-quinoline series, e.g. quinoline, 3-methylquinoline, 5-methylquinoline, 7-methylquinoline, 8-methylquinoline, 6-chloroquinoline, 8-chloroquinoline, 6-methoxy-quinoline, 6-ethoxyquinoline, 6-hydroxyquinoline, 8-hydroquinoline,
the 4-quinoline series, e.g. quinoline, 6-methoxyquinoline, 7-methylquinoline, 8-methylquinoline,
the 1-isoquinoline series, e.g. isoquinoline, 3,4-dihydroisoquinoline,
the 3-isoquinoline series, e.g. isoquinoline,
the benzimidazole series, e.g. 1,3-diethylbenzimidazole, 1-ethyl-3-phenylbenzimidazole,
the 3,3-dialkylindolenine series, e.g. 3,3-dimethylindolenine, 3,3,5-trimethylindolenine, 3,3,7-trimethylindolenine,
the 2-pyridine series, e.g. pyridine, 5-methylpyridine, and
the 4-pyridine series, e.g. pyridine. - Preferably Z¹ and/or Z² complete a benzothiazole nucleus or a 3,3-dialkylindolenine nucleus.
- Preferably the groups R¹ and R² contain less than 8 carbon atoms. More preferably R¹ and R² are lower alkyl groups containing up to 4 carbon atoms. The alkyl groups may contain any substituent which does not deleteriously effect the properties of the dye as known in the cyanine art. Suitable substituted alkyl groups include alkoxy-alkyl, benzyl and carboxy-alkyl.
- Preferably R³ and R⁴ represent a hydrogen atom or a lower alkyl group containing 1 to 4 carbon atoms.
- Preferably R⁵ to R⁸ are hydrogen. However, certain substituted cyclopentanones are commercially available which may be used as intermediates in the preparation of the dyes of formula (I), e.g. 3-methyl-cyclopentanone and 3-phenylcyclopentanone and accordingly one of R⁵ to R⁸ may readily represent these substituents.
- The cyclic acid nuclei completed by the groups Q¹ and Q² preferably have the ring atoms selected from C, S, N, O and Se. Suitable moieties are derived from the following nuclei which may additionally possess substituents: 1,3-indandione, pyrazolone, isoxazolone, e.g. 3-phenylisoxazolone, oxindole, 2,4,6-trioxohexahydropyrimidine, 2-thio-4,6-dioxohexahydropyrimidine, 3,5-pyrazolidinedione, 2(3H)-imidazole[1,2-a]pyridone, 5,7-dioxo-6,7-dihydro-5-thiazolo[3,2-a]pyrimidine, 2-thio-2,4-oxazolidinedione, thianaphthenonedioxide, 2-thio-2,4-thiazolidinedione, 2,4-thiazolidinedione, thiazolidione, 4-thiazolinone, 2-imino-2,4-oxazolinone, 2,4-imidazolinedione, 2-thio-2,4-imidazolinedione, 5,5-dialkyl-1,3-cyclohexanedione including 5,5-dimethyl-1,3-cyclohexanedione (dimedone) and isopropylidine malonate (Meldrum's acid).
- A preferred cyclic nucleus completed by Q¹ and Q² has the general formula:
R⁹ and R¹⁰ independently represent a hydrogen atom, an alkyl or cycloalkyl gruop which may be substituted, e.g. hydroxyalkyl, alkoxy-alkyl, alkoxycarbonyl, polyoxyalkyl; alkenyl or substituted alkenyl, an aryl group which may be substituted, or an aralkyl group, any of which groups may contain up to 25 carbon atoms. Preferably R⁹ and R¹⁰ together contain at least 8 carbon atoms and are aliphatic groups, more preferably at least one of R⁹ and R¹⁰· represents an alkyl group containing at least 8 carbon atoms. - The dyes of formula (I) absorb in the near infrared having a very low visible absorption whilst retaining a high extinction coefficient at the absorption maximum. In general, the dyes of the invention have extinction coefficients at their maximum absorption wavelength (typically 800 nm or higher) of the order of 2.5 x 10⁵ to 3.0 x 10⁵. However, at 700 nm the absorption has generally fallen to approximately 10% of this value and at 650 nm the absorption is down to approximately 2% of the value, as measured in methanolic solution.
- The dyes may be incorporated into wet processed photographic or photothermographic elements as actuance dyes according to conventional techniques. The dyes may also be incorporated into antihalation layers according to techniques of the prior art, for example, in the case of wet processed photographic elements, as an antihalation backing layer, an antihalation underlayer or as an overcoat. It is also anticipated that similar nonamethine dyes would be suitable for use as actuance and antihalation dyes.
- The present invention describes the preparation and use of water soluble, holopolar dyes as a non-stining antihalation system for near infrared recording media.
- Dyes similar to formula (I) are known without the ring, water solubilizing groups. A class of dyes is disclosed in U.S. Patent Specification No. 2,955,939 for the sensitization of silver halide emulsions and in U.S. Patent 4,581,325 for use as antihalation dyes. U.S. Patent 3,194,805 discloses a class of merocyanine and holopolar dyes containing arylene-chain substitution and their use as spectral sensitizing dyes.
- The minimum amount of a dye of formula (I) for use for acutance purposes greatly exceeds the maximum amount of dye used for sensitising purposes. For example, the quantity of sensitising dye used in the emulsions disclosed in U.S. Patent Specification No. 2,955,939 is in the general range 5 to 100, usually 10 to 20 mg per liter of emulsion whereas for acutance purposes in accordance with the invention the dyes would generally be used in the range 200 to 1000 mg per liter of emulsion.
- U.S. 2,895,955. Heseltine et al. describes tricarbocyanine dyes containing a benzoindole nucleus which absorb in the near infrared (Compound E in this patent).
- U.S. 3,148,187. Heseltine, describes a direct nuclear sulforation process for cyaine and merocyanine dyes.
- U.S. 3,573,921. Jenkins et al., describes polynuclear sensitizing dyes prepared from certain 3,5-pyrazolidinedione compounds.
- U.S. 3,637,676. Heseltine et al., describes polymethine dyes containing a dilactone ring. The dyes can be used as optical sensitizers or as filter dyes.
- U.S. 3,573,921 described merocyanine dyes such as the 1,2-diphenyl-3,5-pyrazolidinedione in Example 1. There is no mention (even in the broad disclosure) of ring substitution with SOϑ₃. Sensitizing dyes only are described which are added to AgX emulsions.
- U.S. 2,955,939 - holopolar dyes as sensitizers. Cover tri, penta and heptamethine dyes in examples. Examples cover different middle rings such as barbituric acid, 2-thiobarbaturic, rhodanine, thianaphthenone-1,1-dioxide, isoxazolone, and pyrazolone.
- U.S. 4,256,819 - holopolar dyes for electrophoretic migration imaging processes. The dyes are similar to those of U.S. 2,955,939. No sulfonated versions are disclosed.
- U.S. 3,194,805 describes merocyanine and holopolar dyes containing arylene-chain substitution.
-
- The synthesis of dyes of the present invention represented by formula (I) involves the following stages:
- (1) Ring sulphonation of a heterocyclic compound.
- (2) Preparation of the ammonium salt of the sulphonated heterocycle.
- (3) Condensation of an α-ketomethylene compound with a cyclopentanone.
- (4) Reaction of ethylisoformanilide with the product of the condensation in step 3.
- (5) Preparation of the dye of formula (1).
2(A) + (C) → Dye of Formula (1). -
- The preparation of Dye #2 is given below in detail.
- 2-methylbenzthiazole (60 g, 0.4 mole) was placed in a 250 ml round bottom flask fitted with a stirring bar, thermometer, condenser, and heating mantle. While stirring, 100 ml of concentrated sulfuric acid was added with subsequent temperature rise to 80°C. Oleum (80 ml, 30%) was added over a two minute period with the temperature rising to 115°C and formation of a dark solution. Ferric chloride (0.3 g) was added to the reaction heated to 200°C for one hour. The reaction was cooled to 50°C and poured into 6 liters of cool (10°C) acetone with good stirring. The resulting slurry was stirred for 15 minutes. The agitation was turned off and the acetone decanted from the solids. The procedure was repeated with 2 liters of acetone and the resulting slurry was filtered and rinsed with acetone. Recovered 63 g (68.5%). The solids were slurried with 300 ml of methanol and heated to reflux for 15 minutes. The slurry was cooled to 10°C, filtered and dried. Recovered 50 g, 54.3% yield.
- Placed 45 g (0.196 mole) of 2-methyl-6-sulfobenzthiazole in a 2 liter beaker equipped with a magnetic stirring bar. To the beaker was added 1 liter of methanol with constant stirring. Sodium bicarbonate (49 g) was added over the next 20 minutes, and the mixture was then stirred an additional 25 minutes. Nearly all the benzthiazole had dissolved after 30 minutes. The temperature at the end of the addition was 50°C with a final pH of 10.0. Anhydrous magnesium sulfate (20 g) was added and stirred for 15 minutes. The slurry was filtered and the solids rinsed with methanol. The filtrate was stripped of methanol on a rotary evaporator and the resulting solids dried at 70°C in vacuum. Recovered 48 g; a 97.6% yield.
- The sodium salt of 2-methyl-6-sulfobenzthiazole (40 g, 0.159 mole) was placed in a 500 ml flask equipped with a mechanical stirrer, thermometer, condenser, and a heating mantle. Ethyl-p-toluenesulfonate (169 g, 0.845 mole) and 7 ml of dimethylformamide were added with stirring and the mixture was heated to 175°C for three hours. 2,6-dimethyl-4-heptanone (25 ml) was added to aid stirring, and the mass was cooled to 60°C. The thick fluid was poured into 250 ml of well stirred acetone to precipitate the product. The slurry was cooled, filtered and dried at 80°C for two hours. Recovered 61.5 g; an 85.6% yield.
- Aniline (180 g, 1.94 mole) and triethylorthoformate (300 g, 2.02 mole) were placed in a one liter flask equipped with a mechanical stirrer, vigreux column, distillation head, thermometer, condenser, and a heating mantle. The reaction was heated to reflux (120°C) and 250 ml of distillate was removed over 60 minutes. To the dark solution, 75 ml of triethylorthoformate was added while continuing to heat at reflux. Distilled off 75 ml of liquid over six hours with the reaction temperature reaching 210°C. Cooled to 25°C, added 300 ml of hexane, stirred for 15 minutes and filtered. The resulting filtrate was distilled with the main cut distilling at 78-82°C/2mm. IR matches reference.
- A mixture of N,N-dimethylbarbituric acid (15.6 g, 0.1 mole), cyclopentanone (8.4 g, 0.01 mole), ammonium acetate (2.3 g, 0.04 mole), acetic acid (4 ml), and a chloroform (100 ml) were added with stirring into a 250 ml flask fitted with a stirrer, Barrett trap, condenser, and heating mantle. The mixture was heated to reflux for six hours, and 2 ml of water was removed by azeotropic distillation. The reaction was cooled, washed 3 times with 35 ml portions of water. The organic phase was heated at 60°C under reduced pressure to remove solvents. The resulting solids were recrystallized from 125 ml of anhydrous ethanol, cooled to 0°C, filtered and rinsed with cold ethanol. Recovered 12.5 g, (56.3%); m.p. 110-112°C.
- A mixture of 5-cyclopentylidene-1,3-dimethylbarbituric acid (11.1 g, 0.05 mole) and ethylisoformanilide (17.9 g, 0.12 mole), and 35 ml of dimethylformamide were placed in a 100 ml flask fitted with a thermometer, magnetic stirrer, condenser, and heating mantle. The mixture was heated with stirring to 145°C for 5 minutes. The reaction was cooled to 20°C, and 50 ml of methanol were added. The mixture was then stirred with cooling for 10 minutes, filtered and rinsed on the filter with methanol. The solids were slurried twice with water, and then twice with methanol, filtering between each slurry. The solids were dried for 3 hr at 80°C. Recovered 8.0 g (40.3%), m.p. >250°C; λmax (MeOH) 545 nm.
- The sodium salt of 2-methyl-3-ethyl-6-sulfobenzthiazolium tosylate (4.51 g, 0.01 mole), and 5-(2-5-dianilinomethylenecyclopentylidene)-1,3-dimethylbarbituric acid (1.98 g, 0.005 mole), 20 ml of dimethylformamide, and 3 ml of triethylamine were mixed together in a 100 ml flask fitted with a thermometer, stirrer, reflux condenser and oil bath. The mixture was heated to 100°C with stirring for 5 minutes. The reaction mixture was poured into 200 ml of hexane with vigorous stirring. Stirring was continued for 10 minutes, and the hexane was decanted from the oil. The hexane treatment was repeated. Acetone (300 ml) was added to the oil and the mixture was stirred for 15 minutes. The resulting solids were filtered and washed well with acetone. Dried and recovered 4.5 g (87.5%); λmax (MeOH) 817 nm.
- Evaluation of the dyes was performed by coating an antihalation backing layer containing the dyes on 7 mil polyester base. Each dye was dissolved in water and added to an aqueous solution of gelatin at 40°C. A surfactant and formaldehyde (4.3 ml, 4%) were also added. THe final solution was at 5% gelatin. The dye-gelatin mixture was coated at 65 ml/m² onto subbed polyester base and dried. The characteristics of the AH coatings are reported in Table II.
- The results listed in Table II show that the water soluble holopolar dyes (Ex. 1-4) offer particular advantages over water soluble cyanine dyes (A-D). The water soluble cyanine dye E does give a strong near infrared absorbing coating but has the drawback of high stain after automatic processing. The cyanine dyes, A-D, had strong maximum absorbance from 760-810 nm in methanol. However, when these dyes were added to water and coated as a gelatin solution, the absorbance curves shifted to lower wavelengths.
TABLE II Dye No. Dye (g/L AH) Density of Coating at 820 nm Density of Coating at Absorption max Wavelength of Absorption max of coating (nm) 1 0.86 0.22 0.26 840 2 0.64 0.31 0.39 840 3 0.64 0.25 0.29 840 4 0.64 0.24 0.30 840 A 0.64 0.03 -- -- B 0.64 0.05 -- -- C 0.64 0.06 -- -- D 0.64 0.09 -- -- E 0.35 0.38 0.44 800 - The effects of automatic processing were evaluated on the AH, dye coatings to decide whether an acceptable stain level was achieved. Processing was performed in 90 seconds by a Kodak SP processor using Kodak X-Omat developer and fix. The 820 nm absorbance was read after processing example 1-4 and E and the stain level evaluated. Coatings 2-4 showed an increase in stain after processing of less than 0.01 visual density. The two unacceptable stains were example 1 with a light blue cast and E with a heavier, green-yellow stain. The results are listed in Table III.
TABLE III Dye No. Dye G/L AH 820 nm Abs. before Processing* Processed* 820 nm Abs. Stain after Processing 1 0.86 0.22 0.04 Unacceptable 2 0.64 0.31 0.01 No color 3 0.64 0.25 0.01 No color 4 0.64 0.24 0.02 Borderline E 0.35 0.38 0.21 Unacceptable * minus base density - An emulsion was prepared by a double jet precipitation having 64% chloride and 36% bromide with an average grain size of 0.24 micrometers. The emulsion was digested with p-toluenesulfinic acid, sodium thiosulfate and sodium gold tetrachloride (NaAuCl₄).
- Final preparation of the emulsions comprised the addition of water and gelatin to a level of 5.0% gelatin and 2500 g of emulsion per mole of silver. The pH was adjusted to 7.0, and the pAg was adjusted to 7.2. Infrared sensitizing dye (F) was added in methanol at 30 mg/mole Ag. Phenyl-5-mercaptotetrazole in methanol (115 mg/mole Ag), poly(ethylacrylate) (30 g/mole Ag), formaldehyde hardener and surfactant were also added before coating. The material was coated at 2.4 g Ag/m².
- The emulsion was coated on
- (1) clear polyester base
- (2) polyester base coated on the reverse side with Dye 2 in gelatin as in Example 2.
- These coatings were evaluated by imaging with an 820 nm laser diode incorporated in a 3M Laser Imager. An SMPTE test target was printed on both followed by automatic X-ray processing. The unbacked Sample 1 showed heavy halation whereas Sample 2 diminished halation to an acceptable level.
- A latitude of modification, change and substitution is intended in the foregoing disclosure and in some instances some features of the invention will be employed without a corresponding use of other features. Accordingly it is appropriate that the appended claims be construed broadly and in a manner consistent with the spirit and scope of the invention herein.
Claims (10)
1. A photographic element comprising one or more silver halide photosensitive layers on a substrate, characterized in that the element includes in at least one layer free of silver halide as an antihalation dye, an antihalation effective amount of at least one compound that will provide a transmissive optical density of greater than 0.1 at the λmax of the compound, said compound having the formula:
in which:
m+p=2,
n is 0 or 1,
s is 0 or 1,
Z¹ and Z² independently represent the non-metallic atoms necessary to complete a heterocyclic nucleus of the type present in cyanine dyes and in addition contain a water solubilizing group such as sulphonate, carboxylate, etc.,
R¹ and R² independently selected from the group consisting of alkyl or substituted alkyl, alkenyl, substituted alkenyl or aralkyl, each group containing not more than 20 carbon atoms,
R³ and R⁴ independently selected from the group consisting of a hydrogen atom or an alkyl, substituted alkyl, alkenyl or substituted alkenyl each of which groups contain not more than 10 carbon atoms,
R⁵, R⁶, R⁷ and R⁸, which together may not contain more than 12 carbon atoms, are independently selected from the group consisting of a hydrogen atom, an alkyl, substituted alkyl, alkenyl, substituted alkenyl, aryl or alkaryl group, or
one of R⁵ and R⁶ together with one of R⁷ and R⁸ represent the necessary atoms to complete a carbocyclic ring in which case the others of R⁵ to R⁸ are absent,
Q¹ and Q² together represent the non-metallic atoms necessary to complete an acidic nucleus of the type present in oxonol or merocyanine dyes.
m+p=2,
n is 0 or 1,
s is 0 or 1,
Z¹ and Z² independently represent the non-metallic atoms necessary to complete a heterocyclic nucleus of the type present in cyanine dyes and in addition contain a water solubilizing group such as sulphonate, carboxylate, etc.,
R¹ and R² independently selected from the group consisting of alkyl or substituted alkyl, alkenyl, substituted alkenyl or aralkyl, each group containing not more than 20 carbon atoms,
R³ and R⁴ independently selected from the group consisting of a hydrogen atom or an alkyl, substituted alkyl, alkenyl or substituted alkenyl each of which groups contain not more than 10 carbon atoms,
R⁵, R⁶, R⁷ and R⁸, which together may not contain more than 12 carbon atoms, are independently selected from the group consisting of a hydrogen atom, an alkyl, substituted alkyl, alkenyl, substituted alkenyl, aryl or alkaryl group, or
one of R⁵ and R⁶ together with one of R⁷ and R⁸ represent the necessary atoms to complete a carbocyclic ring in which case the others of R⁵ to R⁸ are absent,
Q¹ and Q² together represent the non-metallic atoms necessary to complete an acidic nucleus of the type present in oxonol or merocyanine dyes.
2. A photographic element as claimed in claim 1, characterized in that Z¹ and Z² complete a 5 or 6 membered heterocyclic nucleus which may possess substituents.
3. A photographic element as claimed in claim 2, characterized in that Z¹ and/or Z² complete a heterocyclic nucleus selected from the group consisting of thiazole, benzothiazole, naphthothiazole, thianaphtheno-7′6′4,5-thiazole, oxazole, benzoxazole, naphthoxazole, selenazole, benzoselenazole, naphthoselenazole, thiazoline, 2-quinoline, 4-quinoline, 1-isoquinoline, 3-isoquinoline, benzimidazole, 3,3-dialkylindolenine, 2-pyridine, and 4-pyridine, each of which nuclei may be substituted.
4. A photographic element as claimed in claim 1, characterized in that Z¹ and/or Z² complete a benzothiazole or a 3,3-dialkylindolenine nucleus containing 3,3-dialkylindolenine a water solubilizing group.
5. A photographic element as claimed in claim 1, characterized in that Q¹ and Q² complete a moiety which is a derivative of one of the nuclei which may optionally possess substituents selected from the group consisting of indandione, pyrazolone, isoxazolone, oxindole, 2,4,6-trioxohexahydropyrimidine, 2-thio-4,6-dioxohexahydropyrimidine, 3,5-pyrazolidinedione, 2(3H)-imidazo[1,2-a]pyridone, 5,7-dioxo-6,7-dihydro-5-thiazolo[3,2-a]pyrimidine, 2-thio-2,4-oxazolidinedione, thianaphthenone dioxide, 2-thio-2,4-thiazolidindione, 4-thiazolinone, 2-imino-2,4-oxazolinone, 2,4-imidazolinedione, 2-thio-2,4-imindazolinedione cyclic groups, 5,5-dialkyl-1,3-cyclohexanedione or isopropylidine malonate.
6. A photographic element as claimed in claim 5, characterized in that the moiety completed by Q¹ and Q² contains at least one aliphatic or predominantly aliphatic group.
7. A photographic element as claimed in claim 6, characterized in that Q¹ and Q² complete a moiety of the general formula:
in which
R⁹ and R¹⁰ are independently selected from the group consisting of a hydrogen atom, an alkyl group which may be substituted, alkenyl, substituted alkenyl, an aryl group which may be substituted or an aralkyl group, each of which groups contain not more than 25 carbon atoms.
R⁹ and R¹⁰ are independently selected from the group consisting of a hydrogen atom, an alkyl group which may be substituted, alkenyl, substituted alkenyl, an aryl group which may be substituted or an aralkyl group, each of which groups contain not more than 25 carbon atoms.
8. A photographic element as claimed in claim 5, characterized in that the photographic element is a conventional wet processed photographic element.
A photographic element as claimed in claim 5, characterized in that the photographic element is a photothermographic element comprising a silver halide photothermographic element.
10. A photographic element as claimed in claim 5, characterized in that the dye of formula (I) is present in an antihalation backing on said substrate, as an underlayer between said substrate and said one or more photosensitive layers, in an overcoat above the photosensitive layer, or in the photosensitive layer.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15765388A | 1988-02-19 | 1988-02-19 | |
US157653 | 1988-02-19 |
Publications (2)
Publication Number | Publication Date |
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EP0329491A2 true EP0329491A2 (en) | 1989-08-23 |
EP0329491A3 EP0329491A3 (en) | 1990-07-25 |
Family
ID=22564674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP89301637A Withdrawn EP0329491A3 (en) | 1988-02-19 | 1989-02-20 | Photographic elements incorporating antihalation and/or acutance dyes |
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EP (1) | EP0329491A3 (en) |
JP (1) | JPH025041A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5380635A (en) * | 1994-02-28 | 1995-01-10 | Minnesota Mining And Manufacturing Company | Dihydroperimidine squarylium dyes as antihalation and acutance materials for photographic and photothermographic articles |
EP1348997A1 (en) * | 2002-03-29 | 2003-10-01 | Fuji Photo Film Co., Ltd. | Heat-developable photosensitive material |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05346644A (en) * | 1992-04-17 | 1993-12-27 | Fuji Photo Film Co Ltd | Treatment of photosensitive material for laser recording |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3148187A (en) * | 1962-01-22 | 1964-09-08 | Eastman Kodak Co | Sulfonated cyanine and merocyanine dyes |
US3585195A (en) * | 1966-01-19 | 1971-06-15 | Eastman Kodak Co | Stabilization of aqueous solutions of certain acid substituted spectral sensitizing dyes |
US4581325A (en) * | 1982-08-20 | 1986-04-08 | Minnesota Mining And Manufacturing Company | Photographic elements incorporating antihalation and/or acutance dyes |
EP0251282A2 (en) * | 1986-07-02 | 1988-01-07 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Novel infrared absorbing dyes and photographic elements containing same |
-
1989
- 1989-02-17 JP JP3812889A patent/JPH025041A/en active Pending
- 1989-02-20 EP EP89301637A patent/EP0329491A3/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3148187A (en) * | 1962-01-22 | 1964-09-08 | Eastman Kodak Co | Sulfonated cyanine and merocyanine dyes |
US3585195A (en) * | 1966-01-19 | 1971-06-15 | Eastman Kodak Co | Stabilization of aqueous solutions of certain acid substituted spectral sensitizing dyes |
US4581325A (en) * | 1982-08-20 | 1986-04-08 | Minnesota Mining And Manufacturing Company | Photographic elements incorporating antihalation and/or acutance dyes |
EP0251282A2 (en) * | 1986-07-02 | 1988-01-07 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Novel infrared absorbing dyes and photographic elements containing same |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5380635A (en) * | 1994-02-28 | 1995-01-10 | Minnesota Mining And Manufacturing Company | Dihydroperimidine squarylium dyes as antihalation and acutance materials for photographic and photothermographic articles |
EP1348997A1 (en) * | 2002-03-29 | 2003-10-01 | Fuji Photo Film Co., Ltd. | Heat-developable photosensitive material |
Also Published As
Publication number | Publication date |
---|---|
JPH025041A (en) | 1990-01-09 |
EP0329491A3 (en) | 1990-07-25 |
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