CA1315275C - Process for the reduction of the ionogenic heavy metal content in the preparation of metal complex dyestuffs - Google Patents
Process for the reduction of the ionogenic heavy metal content in the preparation of metal complex dyestuffsInfo
- Publication number
- CA1315275C CA1315275C CA000576259A CA576259A CA1315275C CA 1315275 C CA1315275 C CA 1315275C CA 000576259 A CA000576259 A CA 000576259A CA 576259 A CA576259 A CA 576259A CA 1315275 C CA1315275 C CA 1315275C
- Authority
- CA
- Canada
- Prior art keywords
- water
- acid
- heavy metal
- group
- compounds
- 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.)
- Expired - Fee Related
Links
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000008569 process Effects 0.000 title claims abstract description 22
- 150000004696 coordination complex Chemical class 0.000 title claims abstract description 21
- 230000009467 reduction Effects 0.000 title claims abstract description 5
- 238000002360 preparation method Methods 0.000 title abstract description 7
- -1 unsaturated ali-phatic radical Chemical class 0.000 claims abstract description 100
- 239000000975 dye Substances 0.000 claims abstract description 79
- 150000003839 salts Chemical class 0.000 claims abstract description 28
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 26
- 150000001875 compounds Chemical class 0.000 claims abstract description 26
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 26
- 150000002500 ions Chemical class 0.000 claims abstract description 23
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 15
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 15
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 235000011007 phosphoric acid Nutrition 0.000 claims abstract description 7
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 7
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 6
- 239000005725 8-Hydroxyquinoline Substances 0.000 claims abstract description 5
- 229960003540 oxyquinoline Drugs 0.000 claims abstract description 5
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 235000003441 saturated fatty acids Nutrition 0.000 claims abstract description 5
- 150000004671 saturated fatty acids Chemical class 0.000 claims abstract description 5
- 150000004670 unsaturated fatty acids Chemical class 0.000 claims abstract description 4
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims abstract description 4
- 239000013522 chelant Substances 0.000 claims abstract description 3
- 150000005690 diesters Chemical class 0.000 claims abstract description 3
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 claims description 36
- 125000000217 alkyl group Chemical group 0.000 claims description 33
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 18
- 229910052783 alkali metal Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 230000001376 precipitating effect Effects 0.000 claims description 11
- 238000001556 precipitation Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 7
- OAOABCKPVCUNKO-UHFFFAOYSA-N 8-methyl Nonanoic acid Chemical compound CC(C)CCCCCCC(O)=O OAOABCKPVCUNKO-UHFFFAOYSA-N 0.000 claims description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 5
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 5
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical group [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 5
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 claims description 4
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 claims description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims description 4
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- XZOYHFBNQHPJRQ-UHFFFAOYSA-N 7-methyloctanoic acid Chemical compound CC(C)CCCCCC(O)=O XZOYHFBNQHPJRQ-UHFFFAOYSA-N 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 3
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 claims description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 2
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 claims description 2
- 239000005639 Lauric acid Substances 0.000 claims description 2
- 239000005642 Oleic acid Substances 0.000 claims description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 2
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 2
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 150000004763 sulfides Chemical class 0.000 claims description 2
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 claims description 2
- RWZYAGGXGHYGMB-WGGUOBTBSA-N 2-aminobenzoic acid Chemical group NC1=CC=CC=C1[14C](O)=O RWZYAGGXGHYGMB-WGGUOBTBSA-N 0.000 claims 1
- 235000021314 Palmitic acid Nutrition 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims 1
- 150000003254 radicals Chemical class 0.000 abstract description 17
- 229910052977 alkali metal sulfide Inorganic materials 0.000 abstract 1
- 150000003568 thioethers Chemical class 0.000 abstract 1
- 229920003176 water-insoluble polymer Polymers 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 39
- 239000010949 copper Substances 0.000 description 24
- 125000001424 substituent group Chemical group 0.000 description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 19
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 19
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
- 229910052802 copper Inorganic materials 0.000 description 18
- 125000003545 alkoxy group Chemical group 0.000 description 16
- 125000001624 naphthyl group Chemical group 0.000 description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- 125000001309 chloro group Chemical group Cl* 0.000 description 13
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 12
- 239000002253 acid Substances 0.000 description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 230000000875 corresponding effect Effects 0.000 description 9
- 229910052801 chlorine Inorganic materials 0.000 description 8
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 8
- 239000008351 acetate buffer Substances 0.000 description 7
- 150000004699 copper complex Chemical class 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 150000001340 alkali metals Chemical class 0.000 description 6
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 6
- 125000001246 bromo group Chemical group Br* 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 5
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
- 125000000738 acetamido group Chemical group [H]C([H])([H])C(=O)N([H])[*] 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 125000004397 aminosulfonyl group Chemical group NS(=O)(=O)* 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 125000004093 cyano group Chemical group *C#N 0.000 description 4
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 4
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 4
- 125000001153 fluoro group Chemical group F* 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 125000004433 nitrogen atom Chemical group N* 0.000 description 4
- 125000004430 oxygen atom Chemical group O* 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 159000000000 sodium salts Chemical class 0.000 description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 125000000043 benzamido group Chemical group [H]N([*])C(=O)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 3
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 3
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 150000002736 metal compounds Chemical class 0.000 description 3
- VMGAPWLDMVPYIA-HIDZBRGKSA-N n'-amino-n-iminomethanimidamide Chemical compound N\N=C\N=N VMGAPWLDMVPYIA-HIDZBRGKSA-N 0.000 description 3
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 3
- BOLDJAUMGUJJKM-LSDHHAIUSA-N renifolin D Natural products CC(=C)[C@@H]1Cc2c(O)c(O)ccc2[C@H]1CC(=O)c3ccc(O)cc3O BOLDJAUMGUJJKM-LSDHHAIUSA-N 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 125000005236 alkanoylamino group Chemical group 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 2
- 125000005708 carbonyloxy group Chemical group [*:2]OC([*:1])=O 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 230000000332 continued effect Effects 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 125000000623 heterocyclic group Chemical group 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 238000006263 metalation reaction Methods 0.000 description 2
- APVPOHHVBBYQAV-UHFFFAOYSA-N n-(4-aminophenyl)sulfonyloctadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NS(=O)(=O)C1=CC=C(N)C=C1 APVPOHHVBBYQAV-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 159000000001 potassium salts Chemical class 0.000 description 2
- 238000004313 potentiometry Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229940055764 triaz Drugs 0.000 description 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 2
- CPEONABTMRSIKA-UHFFFAOYSA-N 1,4$l^{2}-oxazinane Chemical compound C1COCC[N]1 CPEONABTMRSIKA-UHFFFAOYSA-N 0.000 description 1
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- QPKNFEVLZVJGBM-UHFFFAOYSA-N 2-aminonaphthalen-1-ol Chemical compound C1=CC=CC2=C(O)C(N)=CC=C21 QPKNFEVLZVJGBM-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 241001077660 Molo Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical class CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- 125000004390 alkyl sulfonyl group Chemical group 0.000 description 1
- 125000005237 alkyleneamino group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229960004050 aminobenzoic acid Drugs 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 1
- 125000001769 aryl amino group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- WDEQGLDWZMIMJM-UHFFFAOYSA-N benzyl 4-hydroxy-2-(hydroxymethyl)pyrrolidine-1-carboxylate Chemical compound OCC1CC(O)CN1C(=O)OCC1=CC=CC=C1 WDEQGLDWZMIMJM-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
- 230000001588 bifunctional effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 125000002837 carbocyclic group Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000005587 carbonate group Chemical group 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 230000001335 demethylating effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 125000006125 ethylsulfonyl group Chemical group 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- 125000001072 heteroaryl group Chemical group 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 235000011167 hydrochloric acid Nutrition 0.000 description 1
- 229960000443 hydrochloric acid Drugs 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 1
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical class [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- GPLGAQQQNWMVMM-FCGWIEHOSA-N nerine Chemical compound C1C=C2CC(N(C)C)CC[C@]2(C)C2C1C1CCC3C(C)N(C)C[C@@]31CC2 GPLGAQQQNWMVMM-FCGWIEHOSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910001453 nickel ion Inorganic materials 0.000 description 1
- 125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 125000000587 piperidin-1-yl group Chemical group [H]C1([H])N(*)C([H])([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- RBWSWDPRDBEWCR-RKJRWTFHSA-N sodium;(2r)-2-[(2r)-3,4-dihydroxy-5-oxo-2h-furan-2-yl]-2-hydroxyethanolate Chemical compound [Na+].[O-]C[C@@H](O)[C@H]1OC(=O)C(O)=C1O RBWSWDPRDBEWCR-RKJRWTFHSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 150000003456 sulfonamides Chemical class 0.000 description 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N sulfurochloridic acid Chemical compound OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
- 125000004149 thio group Chemical group *S* 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0096—Purification; Precipitation; Filtration
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B45/00—Complex metal compounds of azo dyes
- C09B45/01—Complex metal compounds of azo dyes characterised by the method of metallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coloring (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Removal Of Specific Substances (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3729322.2 | 1987-09-02 | ||
| DE3729322 | 1987-09-02 | ||
| DE3825815 | 1988-07-29 | ||
| DEP3825815.3 | 1988-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1315275C true CA1315275C (en) | 1993-03-30 |
Family
ID=25859315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000576259A Expired - Fee Related CA1315275C (en) | 1987-09-02 | 1988-09-01 | Process for the reduction of the ionogenic heavy metal content in the preparation of metal complex dyestuffs |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4963660A (en, 2012) |
| EP (1) | EP0306436B1 (en, 2012) |
| JP (1) | JPH0819349B2 (en, 2012) |
| KR (1) | KR970000743B1 (en, 2012) |
| BR (1) | BR8804484A (en, 2012) |
| CA (1) | CA1315275C (en, 2012) |
| DE (1) | DE3853705D1 (en, 2012) |
| IN (1) | IN170303B (en, 2012) |
| MX (1) | MX171577B (en, 2012) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2561539B2 (ja) * | 1989-07-07 | 1996-12-11 | 日本化薬株式会社 | 染料組成物、その製法及びそれを用いたカラーフィルター |
| DE4213163C2 (de) * | 1992-04-22 | 1999-05-27 | Bayer Ag | Entfernung von Metallionen aus Farbstofflösungen |
| US5288728A (en) * | 1992-09-17 | 1994-02-22 | Eastman Kodak Company | Process for recovering silver from photographic solutions |
| TW325476B (en) * | 1995-06-21 | 1998-01-21 | Kawasaki Kasei Chemicals | Method for producing copper phthalocyanine |
| KR100495794B1 (ko) | 1997-10-17 | 2005-09-28 | 삼성전자주식회사 | 액정표시장치용박막트랜지스터 |
| IT1291355B1 (it) | 1997-05-13 | 1999-01-07 | Zambon Spa | Metodo per la rimozione dei metalli pesanti da composti organici |
| TWI251596B (en) * | 2002-12-31 | 2006-03-21 | Ind Tech Res Inst | Method for producing a double-crosslinked hyaluronate material |
| WO2005047398A1 (de) * | 2003-11-17 | 2005-05-26 | Clariant Gmbh | Reinigung von wässrigen lösungen metallisierter farbstoffe |
| CN100427549C (zh) * | 2004-11-15 | 2008-10-22 | 东南大学 | 配合法去除染料中重金属的方法 |
| US20130071871A1 (en) * | 2011-09-21 | 2013-03-21 | Specialty Assays, Inc. | Enzymatic determination of lithium ions using phosphoglucomutase |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516459B2 (en, 2012) * | 1971-08-18 | 1976-02-27 | ||
| DE2257364A1 (de) * | 1972-11-23 | 1974-05-30 | Hoellmueller Maschbau H | Verfahren und vorrichtung zum reinigen von kupferhaltigen ammoniakalischen loesungen |
| US4180502A (en) * | 1976-07-31 | 1979-12-25 | Basf Aktiengesellschaft | Manufacture of concentrated solutions, having a low salt content, of cobalt and chromium 1:2 complex dyes which are free from sulfonic acid groups |
| US4329224A (en) * | 1980-11-14 | 1982-05-11 | General Electric Company | Wastewater treatment process |
| US4400317A (en) * | 1981-07-09 | 1983-08-23 | American Hoechst Corporation | Method of forming copper complexes of azo-dyestuffs using non-salt-forming copper (II) compounds |
| DE3427652A1 (de) * | 1983-07-28 | 1985-02-07 | Canon K.K., Tokio/Tokyo | Farbstoffreinigungs- und tintenherstellungssystem |
| US4607098A (en) * | 1984-07-19 | 1986-08-19 | Hoechst Aktiengesellschaft | Bicyclic copper complex formazan compounds having a fiber-reactive group of the vinyl sulfone series, containing a fiber-reactive group suitable as dyestuffs |
| SU1310414A1 (ru) * | 1985-01-21 | 1987-05-15 | Предприятие П/Я А-7346 | Способ получени концентрированных растворов хромсодержащих комплексов азокрасителей,не содержащих сульфо- или карбоксильных групп |
-
1988
- 1988-08-29 IN IN718/CAL/88A patent/IN170303B/en unknown
- 1988-08-30 US US07/238,359 patent/US4963660A/en not_active Expired - Lifetime
- 1988-08-30 EP EP88710024A patent/EP0306436B1/de not_active Expired - Lifetime
- 1988-08-30 DE DE3853705T patent/DE3853705D1/de not_active Expired - Fee Related
- 1988-08-31 JP JP63215355A patent/JPH0819349B2/ja not_active Expired - Fee Related
- 1988-09-01 CA CA000576259A patent/CA1315275C/en not_active Expired - Fee Related
- 1988-09-01 BR BR8804484A patent/BR8804484A/pt not_active IP Right Cessation
- 1988-09-02 KR KR1019880011326A patent/KR970000743B1/ko not_active Expired - Fee Related
- 1988-09-02 MX MX012900A patent/MX171577B/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4963660A (en) | 1990-10-16 |
| KR970000743B1 (ko) | 1997-01-18 |
| KR890005228A (ko) | 1989-05-13 |
| JPH0195162A (ja) | 1989-04-13 |
| DE3853705D1 (de) | 1995-06-08 |
| IN170303B (en, 2012) | 1992-03-14 |
| JPH0819349B2 (ja) | 1996-02-28 |
| EP0306436B1 (de) | 1995-05-03 |
| EP0306436A2 (de) | 1989-03-08 |
| BR8804484A (pt) | 1989-03-28 |
| MX171577B (es) | 1993-11-08 |
| EP0306436A3 (de) | 1991-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1315275C (en) | Process for the reduction of the ionogenic heavy metal content in the preparation of metal complex dyestuffs | |
| DE2342197C2 (de) | Reaktivfarbstoffe | |
| KR100327053B1 (ko) | 아미노나프탈렌계열에서유래한커플링성분을함유한반응성아조염료 | |
| US4085097A (en) | Process for the manufacture of chromium complexes from metallizable azo or azo methine dyes | |
| DE3918653C2 (de) | Chromophore Verbindung mit heterocyclischem Reaktivrest | |
| CH678332A5 (en, 2012) | ||
| KR950006949B1 (ko) | 반응성 염료 함유 수성액체 조성물 | |
| CN102686593B (zh) | 铜酞菁苄砜基化合物及其衍生物 | |
| EP0568874A2 (de) | Neue Reaktivfarbstoffe | |
| CA1060436A (en) | Process for preparing reactive xanthene dyestuffs | |
| GB1567691A (en) | Process forthe preparation of chromium complex dyestuffs and cobalt complex dyestuffs | |
| EP0074048B1 (de) | Farbstoffe mit Isochinolin-Kupplungskomponenten | |
| CA1266046A (en) | Process for the preparation of copper complex disazo compounds | |
| US2861067A (en) | Metallisable azo dyestuffs | |
| KR840001843B1 (ko) | 반응성 염료의 제조방법 | |
| JPS5949262A (ja) | １：２−コバルト錯体−及び１：２−クロム錯体−アゾ染料の混合物を製造する方法 | |
| EP0440368A2 (en) | Method of preparing a solution of sulfonated aryl azo/diaryl guanidine-complexed dye | |
| CN110078648B (zh) | 一种4,4’-二氨基二磺化二苯砜及其制备方法和应用 | |
| EP0433764A1 (de) | Reaktivfarbstoffe mit Triazin- und Chlorbutinylanker | |
| KR100872098B1 (ko) | 비대칭성 아조계 금속 착제 염료, 이의 제조 방법 및 이를포함하는 산성 염료 조성물 | |
| US5811529A (en) | Bis-pyridone compounds | |
| KR790000931B1 (ko) | 시아노아조 염료의 제조방법 | |
| US4400317A (en) | Method of forming copper complexes of azo-dyestuffs using non-salt-forming copper (II) compounds | |
| GB2024835A (en) | Reactive Dyes | |
| AT222261B (de) | Verfahren zur Herstellung von neuen, eine oder mehrere Thioschwefelsäuregruppen enthaltenden organischen Farbstoffen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |