CA1129426A - Photoconductive compositions - Google Patents
Photoconductive compositionsInfo
- Publication number
- CA1129426A CA1129426A CA313,939A CA313939A CA1129426A CA 1129426 A CA1129426 A CA 1129426A CA 313939 A CA313939 A CA 313939A CA 1129426 A CA1129426 A CA 1129426A
- Authority
- CA
- Canada
- Prior art keywords
- poly
- composition
- ylidene
- dye material
- diphenyl
- 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
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 86
- 239000000463 material Substances 0.000 claims abstract description 89
- 238000000576 coating method Methods 0.000 claims abstract description 45
- 238000000862 absorption spectrum Methods 0.000 claims abstract description 42
- 229920000642 polymer Polymers 0.000 claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims abstract description 40
- 239000002904 solvent Substances 0.000 claims abstract description 40
- -1 diphenylene terephthalate Chemical compound 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 20
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 11
- 238000001228 spectrum Methods 0.000 claims description 11
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 claims description 10
- 230000009466 transformation Effects 0.000 claims description 10
- YXYUIABODWXVIK-UHFFFAOYSA-N 4-methyl-n,n-bis(4-methylphenyl)aniline Chemical compound C1=CC(C)=CC=C1N(C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 YXYUIABODWXVIK-UHFFFAOYSA-N 0.000 claims description 9
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical group OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 150000001450 anions Chemical class 0.000 claims description 6
- 229920002223 polystyrene Polymers 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 229910052711 selenium Inorganic materials 0.000 claims description 4
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims 4
- IFVTZJHWGZSXFD-UHFFFAOYSA-N biphenylene Chemical group C1=CC=C2C3=CC=CC=C3C2=C1 IFVTZJHWGZSXFD-UHFFFAOYSA-N 0.000 claims 3
- UMCMBESKPZSIPB-UHFFFAOYSA-M 4-[(2,6-diphenylselenopyran-1-ium-4-yl)methylidene]-2,6-diphenylpyran;perchlorate Chemical compound [O-]Cl(=O)(=O)=O.C1=C(C=2C=CC=CC=2)OC(C=2C=CC=CC=2)=CC1=CC(C=1)=CC(C=2C=CC=CC=2)=[se+]C=1C1=CC=CC=C1 UMCMBESKPZSIPB-UHFFFAOYSA-M 0.000 claims 2
- JNUHUKNOWAWTQS-UHFFFAOYSA-M 4-[(2,6-diphenylthiopyran-4-ylidene)methyl]-2,6-diphenylpyrylium;perchlorate Chemical compound [O-]Cl(=O)(=O)=O.C1=C(C=2C=CC=CC=2)SC(C=2C=CC=CC=2)=CC1=CC(C=1)=CC(C=2C=CC=CC=2)=[O+]C=1C1=CC=CC=C1 JNUHUKNOWAWTQS-UHFFFAOYSA-M 0.000 claims 2
- BCUKECZYWCNORC-UHFFFAOYSA-M 4-[(2,6-diphenylpyran-4-ylidene)methyl]-2,6-diphenylpyrylium;perchlorate Chemical compound [O-]Cl(=O)(=O)=O.C1=C(C=2C=CC=CC=2)OC(C=2C=CC=CC=2)=CC1=CC(C=1)=CC(C=2C=CC=CC=2)=[O+]C=1C1=CC=CC=C1 BCUKECZYWCNORC-UHFFFAOYSA-M 0.000 claims 1
- RJOLPPWIFYDSEI-UHFFFAOYSA-M 4-[(2,6-diphenylthiopyran-4-ylidene)methyl]-2,6-diphenylthiopyrylium;perchlorate Chemical compound [O-]Cl(=O)(=O)=O.C1=C(C=2C=CC=CC=2)SC(C=2C=CC=CC=2)=CC1=CC(C=1)=CC(C=2C=CC=CC=2)=[S+]C=1C1=CC=CC=C1 RJOLPPWIFYDSEI-UHFFFAOYSA-M 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims 1
- 239000000975 dye Substances 0.000 description 67
- 239000010410 layer Substances 0.000 description 26
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
- 238000011282 treatment Methods 0.000 description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 15
- 206010034972 Photosensitivity reaction Diseases 0.000 description 14
- 230000036211 photosensitivity Effects 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 229920004142 LEXAN™ Polymers 0.000 description 9
- 239000004418 Lexan Substances 0.000 description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 7
- WVIICGIFSIBFOG-UHFFFAOYSA-N pyrylium Chemical compound C1=CC=[O+]C=C1 WVIICGIFSIBFOG-UHFFFAOYSA-N 0.000 description 7
- 230000009102 absorption Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
- 239000008199 coating composition Substances 0.000 description 5
- 229920000515 polycarbonate Polymers 0.000 description 5
- 239000004417 polycarbonate Substances 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- OKYDCMQQLGECPI-UHFFFAOYSA-N thiopyrylium Chemical class C1=CC=[S+]C=C1 OKYDCMQQLGECPI-UHFFFAOYSA-N 0.000 description 5
- 238000002288 cocrystallisation Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 229940000425 combination drug Drugs 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- GSMVXZUBBCEROW-UHFFFAOYSA-N selenopyran-1-ium Chemical compound C1=CC=[se+]C=C1 GSMVXZUBBCEROW-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- KXJIIWGGVZEGBD-UHFFFAOYSA-N 2-methyl-n,n-bis(2-methylphenyl)aniline Chemical compound CC1=CC=CC=C1N(C=1C(=CC=CC=1)C)C1=CC=CC=C1C KXJIIWGGVZEGBD-UHFFFAOYSA-N 0.000 description 1
- QWKKVKJAFJCURH-UHFFFAOYSA-N 4-[(2,6-diphenylthiopyran-4-ylidene)methyl]-2,6-diphenylthiopyrylium;fluoro(dioxido)borane Chemical compound [O-]B([O-])F.C1=C(C=2C=CC=CC=2)SC(C=2C=CC=CC=2)=CC1=CC(C=1)=CC(C=2C=CC=CC=2)=[S+]C=1C1=CC=CC=C1.C1=C(C=2C=CC=CC=2)SC(C=2C=CC=CC=2)=CC1=CC(C=1)=CC(C=2C=CC=CC=2)=[S+]C=1C1=CC=CC=C1 QWKKVKJAFJCURH-UHFFFAOYSA-N 0.000 description 1
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 206010013710 Drug interaction Diseases 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- MUBKMWFYVHYZAI-UHFFFAOYSA-N [Al].[Cu].[Zn] Chemical compound [Al].[Cu].[Zn] MUBKMWFYVHYZAI-UHFFFAOYSA-N 0.000 description 1
- XOCUXOWLYLLJLV-UHFFFAOYSA-N [O].[S] Chemical compound [O].[S] XOCUXOWLYLLJLV-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000002508 contact lithography Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 229960003750 ethyl chloride Drugs 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000011101 paper laminate Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- NTQLADLBRQMNQJ-UHFFFAOYSA-M pyrylium;perchlorate Chemical compound [O-]Cl(=O)(=O)=O.C1=CC=[O+]C=C1 NTQLADLBRQMNQJ-UHFFFAOYSA-M 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000033458 reproduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
- G03G5/0622—Heterocyclic compounds
- G03G5/0644—Heterocyclic compounds containing two or more hetero rings
- G03G5/0661—Heterocyclic compounds containing two or more hetero rings in different ring systems, each system containing at least one hetero ring
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
- G03G5/0664—Dyes
- G03G5/0666—Dyes containing a methine or polymethine group
- G03G5/0668—Dyes containing a methine or polymethine group containing only one methine or polymethine group
- G03G5/067—Dyes containing a methine or polymethine group containing only one methine or polymethine group containing hetero rings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photoreceptors In Electrophotography (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85514177A | 1977-11-28 | 1977-11-28 | |
| US855,141 | 1977-11-28 | ||
| US87497178A | 1978-02-03 | 1978-02-03 | |
| US874,971 | 1986-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1129426A true CA1129426A (en) | 1982-08-10 |
Family
ID=27127279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA313,939A Expired CA1129426A (en) | 1977-11-28 | 1978-10-23 | Photoconductive compositions |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0002238B1 (enrdf_load_html_response) |
| JP (1) | JPS5483837A (enrdf_load_html_response) |
| CA (1) | CA1129426A (enrdf_load_html_response) |
| DE (1) | DE2862416D1 (enrdf_load_html_response) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4327169A (en) * | 1981-01-19 | 1982-04-27 | Eastman Kodak Company | Infrared sensitive photoconductive composition, elements and imaging method using trimethine thiopyrylium dye |
| JPS6377933A (ja) * | 1986-09-22 | 1988-04-08 | Daicel Chem Ind Ltd | ポリカ−ボネ−ト樹脂光学成型品 |
| US7604913B2 (en) * | 2004-07-16 | 2009-10-20 | Mitsubishi Chemical Corporation | Electrophotographic photosensitive body |
| JP4847245B2 (ja) * | 2005-08-15 | 2011-12-28 | キヤノン株式会社 | 電子写真感光体、プロセスカートリッジおよび電子写真装置 |
| JP4847305B2 (ja) * | 2005-12-20 | 2011-12-28 | キヤノン株式会社 | 電子写真感光体、プロセスカートリッジおよび電子写真装置 |
| CN102156394B (zh) | 2006-01-06 | 2013-09-25 | 三菱化学株式会社 | 电子照相感光体以及使用该电子照相感光体的成像装置和电子照相感光体盒 |
| JP5040318B2 (ja) * | 2006-01-13 | 2012-10-03 | 三菱化学株式会社 | 感光層形成用塗布液、電子写真感光体、電子写真感光体カートリッジ及び画像形成装置 |
| JP4862662B2 (ja) * | 2006-01-13 | 2012-01-25 | 三菱化学株式会社 | 電子写真感光体並びにそれを用いた画像形成装置及び電子写真カートリッジ |
| JP4862661B2 (ja) * | 2006-01-13 | 2012-01-25 | 三菱化学株式会社 | 感光層形成用塗布液、電子写真感光体、電子写真感光体カートリッジ及び画像形成装置 |
| JP2007213050A (ja) * | 2006-01-13 | 2007-08-23 | Mitsubishi Chemicals Corp | 画像形成装置 |
| JP5040319B2 (ja) * | 2006-01-13 | 2012-10-03 | 三菱化学株式会社 | 正帯電型電子写真感光体、画像形成装置、画像形成方法及び電子写真感光体カートリッジ |
| JP4862660B2 (ja) * | 2006-01-16 | 2012-01-25 | 三菱化学株式会社 | 電子写真感光体 |
| JP4847251B2 (ja) * | 2006-03-10 | 2011-12-28 | キヤノン株式会社 | 電子写真感光体、プロセスカートリッジおよび電子写真装置 |
| JP2007298952A (ja) * | 2006-04-06 | 2007-11-15 | Canon Inc | 電子写真感光体、電子写真感光体の製造方法、プロセスカートリッジ及び電子写真装置 |
| JP4847247B2 (ja) * | 2006-07-31 | 2011-12-28 | キヤノン株式会社 | 電子写真感光体の製造方法 |
| JP4878237B2 (ja) * | 2006-07-31 | 2012-02-15 | キヤノン株式会社 | 電子写真感光体の製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UST904032I4 (en) * | 1972-11-21 | Defensive publication | ||
| BE613738A (enrdf_load_html_response) * | 1961-04-07 | |||
| USRE28698E (en) * | 1970-03-13 | 1976-01-27 | Matsushita Electric Industrial Co., Ltd. | Electrophotographic material containing sensitizers |
| BE770699A (fr) * | 1970-08-03 | 1971-12-01 | Eastman Kodak Co | Nouvelle composition photoconductrice utilisable dans des produits electrophotograpiques |
| JPS512376B1 (enrdf_load_html_response) * | 1971-04-30 | 1976-01-26 | ||
| US3938994A (en) * | 1972-03-17 | 1976-02-17 | Eastman Kodak Company | Pyrylium dyes for electrophotographic composition and element |
-
1978
- 1978-10-23 CA CA313,939A patent/CA1129426A/en not_active Expired
- 1978-11-24 DE DE7878101449T patent/DE2862416D1/de not_active Expired
- 1978-11-24 EP EP19780101449 patent/EP0002238B1/en not_active Expired
- 1978-11-28 JP JP14615178A patent/JPS5483837A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5483837A (en) | 1979-07-04 |
| DE2862416D1 (en) | 1984-07-19 |
| JPS6248214B2 (enrdf_load_html_response) | 1987-10-13 |
| EP0002238B1 (en) | 1984-06-13 |
| EP0002238A1 (en) | 1979-06-13 |
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