KR900018751A - 전자사진 광 수용체 - Google Patents
전자사진 광 수용체 Download PDFInfo
- Publication number
- KR900018751A KR900018751A KR1019900007571A KR900007571A KR900018751A KR 900018751 A KR900018751 A KR 900018751A KR 1019900007571 A KR1019900007571 A KR 1019900007571A KR 900007571 A KR900007571 A KR 900007571A KR 900018751 A KR900018751 A KR 900018751A
- Authority
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- South Korea
- Prior art keywords
- alkyl
- alkoxy
- formula
- hydrogen
- phenyl
- Prior art date
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- 108091008695 photoreceptors Proteins 0.000 title claims 7
- 229910052739 hydrogen Inorganic materials 0.000 claims 17
- 239000001257 hydrogen Substances 0.000 claims 16
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 14
- 150000002431 hydrogen Chemical class 0.000 claims 12
- 229910052736 halogen Inorganic materials 0.000 claims 11
- 150000002367 halogens Chemical class 0.000 claims 11
- 150000001875 compounds Chemical class 0.000 claims 9
- 125000004663 dialkyl amino group Chemical group 0.000 claims 9
- 239000000463 material Substances 0.000 claims 7
- 125000003710 aryl alkyl group Chemical group 0.000 claims 6
- -1 nitro, hydroxy Chemical group 0.000 claims 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 4
- 125000003118 aryl group Chemical group 0.000 claims 4
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 claims 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims 3
- 125000001424 substituent group Chemical group 0.000 claims 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims 2
- 125000002837 carbocyclic group Chemical group 0.000 claims 2
- 125000004986 diarylamino group Chemical group 0.000 claims 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 2
- RQGPLDBZHMVWCH-UHFFFAOYSA-N pyrrolo[3,2-b]pyrrole Chemical class C1=NC2=CC=NC2=C1 RQGPLDBZHMVWCH-UHFFFAOYSA-N 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 2
- 125000003107 substituted aryl group Chemical group 0.000 claims 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 claims 1
- 125000006615 aromatic heterocyclic group Chemical group 0.000 claims 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims 1
- 125000000753 cycloalkyl group Chemical group 0.000 claims 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- 125000002541 furyl group Chemical group 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims 1
- 125000001624 naphthyl group Chemical group 0.000 claims 1
- UUEVFMOUBSLVJW-UHFFFAOYSA-N oxo-[[1-[2-[2-[2-[4-(oxoazaniumylmethylidene)pyridin-1-yl]ethoxy]ethoxy]ethyl]pyridin-4-ylidene]methyl]azanium;dibromide Chemical compound [Br-].[Br-].C1=CC(=C[NH+]=O)C=CN1CCOCCOCCN1C=CC(=C[NH+]=O)C=C1 UUEVFMOUBSLVJW-UHFFFAOYSA-N 0.000 claims 1
- 125000004076 pyridyl group Chemical group 0.000 claims 1
- 125000005504 styryl group Chemical group 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 125000001544 thienyl group Chemical group 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000002800 charge carrier Substances 0.000 description 1
Classifications
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- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/54—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C217/56—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by singly-bound oxygen atoms
- C07C217/60—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by singly-bound oxygen atoms linked by carbon chains having two carbon atoms between the amino groups and the six-membered aromatic ring or the condensed ring system containing that ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/78—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
- C07C217/80—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings
- C07C217/82—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring
- C07C217/84—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring the oxygen atom of at least one of the etherified hydroxy groups being further bound to an acyclic carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/72—Hydrazones
- C07C251/74—Hydrazones having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C251/78—Hydrazones having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of an unsaturated carbon skeleton
- C07C251/80—Hydrazones having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of an unsaturated carbon skeleton the carbon skeleton containing rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/72—Hydrazones
- C07C251/86—Hydrazones having doubly-bound carbon atoms of hydrazone groups bound to carbon atoms of six-membered aromatic rings
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- 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
- G03G5/0601—Acyclic or carbocyclic compounds
- G03G5/0612—Acyclic or carbocyclic compounds containing nitrogen
- G03G5/0616—Hydrazines; Hydrazones
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- 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
- G03G5/0646—Heterocyclic compounds containing two or more hetero rings in the same ring system
- G03G5/0648—Heterocyclic compounds containing two or more hetero rings in the same ring system containing two relevant rings
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- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photoreceptors In Electrophotography (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
Description
Claims (9)
- 전기 전도성 기재와, 하기 일반식(1), (2), (3), (4) 및 (5)의 화합물로부터 선택되는 전하 운반 물질 1 이상 및 하기 일반식(6)의 피롤로피롤 화합물로부터 선택되는 전하 발생 물질 1 이상이 함유된 감광성 층을 포함하는 전자사진 광 수용체:상기식에서 R1은 수소, C1-C4알킬 또는 페닐이거나, 또는 할로겐, C1-C4알킬, C1-C4알콕시, C2-C8-디알킬아미노, 또는 고리부분에 C1-C4알킬, C1-C4알콕시, 니트로 및 할로겐으로부터 선택되는 1 이상의 치환기를 가질 수 있는 디아르알킬아미노에 의해 치환된 페닐이고, R2는 C1-C4알킬, C1-C4알콕시 또는 C2-C8디아킬아미노에 의해 치환될 수 있는 나프틸, 안트릴 또는 스티릴, 피리딜, 푸라닐 또는 티오페닐 또는 하기 일반식의 기이고:상기식에서 R5, R7및 R9는 독립적으로 수소, 할로겐, C1-C4알킬, C1-C4알콕시, 니트로, 히드록시, C2-C8디알킬아미노 또는 디페닐아미노이고, R6은 수소, 할로겐, C1-C4알킬, C1-C4알콕시, 니트로, 히드록시, C2-C8디알킬아미노, 모노-C1-C4알킬-모노페닐아미노 또는 디아릴아미노 또는 디아르알킬아미노 (고리부분에 C1-C4알킬, C1-C4알콕시, 니트로 및 할로겐으로부터 선택되는 1이상의 치환기를 가질 수 있음)이고, R8은 수소, C1-C4알킬 또는 C1-C4알콕시이고, 또는 R6과 R7이 함께 결합되어 메틸렌디옥시를 형성하며, R3은 C1-C4알킬, C1-C4알콕시 및/또는 할로겐에 의해 임의로 치환된 아르알킬 또는 아릴, 또는 C1-C4알킬이고, R4는 할로겐, C1-C4알킬 및/또는 C1-C4알콕시에 의해 임의로 치환된 아르알킬 또는 아릴, 또는 C1-C4알킬이고, n은 0 또는 1이다.상기식에서 R10은 C1-C4알콕시, 아릴, 히드록시 및/또는 할로겐에 의해 치환될 수 있는 C1-C4알킬이고, R11은 수소, 할로겐, C1-C4알킬, C1-C4알콕시, C2-C8디알킬아미노 또는 니트로이고, R12는 C1-C4알킬이거나, 또는 C1-C4알킬 및/또는 C1-C4알콕시에 의해 치환될 수 있는 아릴, 또는 아르알킬이고, R13은 C1-C4알킬, 아릴 또는 아르알킬이며, n은 0 또는 1이며, 단 R10이 에틸이고, R11이 수소일 경우에는 R12와 R13이 동시에 페닐을 나타내어서는 안된다:상기식에서 C는 C1-C4알킬, 임의에 따라 할로겐, C1-C4알킬 또는 C1-C4알콕시에 의해 치환된 아르알킬 또는 하기 식을 갖는 기이며:R14, R15, R16및 R17은 같거나 다른 것으로서, 수소, C1-C4알콕시, C2-C8디알킬아미노, 모노-C1-C4알킬-모노아릴아미노, 디아릴아미노 또는 디아르알킬아미노 (임의에 따라 C1-C4알킬, C1-C4알콕시 및/또는 할로겐에 의해 치환된 것)이다:상기식에서 R18은 수소, C1-C4알킬 또는 페닐이거나, 또는 C1-C4알킬, C1-C4알콕시 또는 C2-C8디알킬아미노에 의해 치환된, 혹은 메틸렌디옥시 다리를 함유하는 페닐이고, R19는 임의로 치환된 아릴, 또는 축합 카르보시클릭 또는 헤테로시클릭 방향족 기이고, R20은 수소, C1-C4알킬, C1-C4알콕시, 임의로 치환된 아릴 또는 C2-C8디알킬아미노이고, Z는 임의로 치환된 산소-또는 황-함유 기로서, 벤젠 고리와 함께 축합 고리를 형성할 수 있다:12-7상기식에서 R21및 R22는 각기 독립적으로 수소, C1-C4알킬, C1-C4알콕시, 모노-C1-C4알킬-모노아릴아미노 또는 C2-C8디알킬아미노이다:12-8상기식에서 A와 B는 각기 독립적으로, C1-C4알킬, 아르알킬, 시클로알킬 또는 카르보시클릭 혹은 헤테로시클릭 방향족 라디칼이고, R23과 R24는 각기 독립적으로, 수소, 또는 수용성을 제공해서는 아니되는 치환기이다.
- 제1항에 있어서, 전하 운반 물질이, R1이 수소 또는 페닐 또는 C1-C4알콕시 또는 C2-C8디알킬아미노에 의해 치환된 페닐이고, R2가 하기 식의 기이며:12-9Y1이 수소 또는 C1-C4알콕시이고, Y2가 수소, C1-C4알콕시, 메틸-페닐아미노 또는 디페닐아미노이며, R3이 페닐이고, R4가 메틸 또는 페닐이고, n이 0 또는 1인 일반식(1)의 화합물: R10이 C1-C4알킬이고, R11이 수소이고, R12가 C1-C4알킬 또는 페닐이며, R13이 페닐이고, n이 0인 일반식(2)의 화합물: C가 메틸, 벤질 또는 하기 식의 기이고:R14, R15, R16및 R17이 독립적으로 H 또는 C1-C4알콕시인 일반식(3)의 화학물: 그리고, R18및 R19가 페닐 또는 메톡시에 의해 치환된 페닐이고, R20이 수소이며, Z가 하기 식의 다리(bridge)인 일반식(4)의 화합물로부터 선택되는 전자사진 광수용체.
- 전하 운반 물질이 하기 식의 화합물들로 이루어진 군으로부터 선택되는 전자사진 광수용체 :
- 제1항에 있어서, 전하 발생 물질이 하기식을 갖는 전자사진 광 수용체 :
- 제4항에 있어서, 전하 운반 물질이 하기 식을 갖는 전자사진 광 수용체 :
- 하기식(7)의 화합물 :
- 하기식(8)의 화합물 :
- 하기식(9)의 화합물 :
- 제1항에 따른 일반식(1), (2), (3), (4) 및 (5)의 화합물로부터 선택되는 1 이상의 전하 운반 물질과 일반식(6)의 피롤로피롤 화합물로부터 선택되는 1 이상의 전하 발생 물질을 함유하는 전자 사진 광 수용체용 조성물.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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GB8912279.0 | 1989-05-27 | ||
GB89122790 | 1989-05-27 | ||
GB898912279A GB8912279D0 (en) | 1989-05-27 | 1989-05-27 | Electrophotographic sensitive materials |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900018751A true KR900018751A (ko) | 1990-12-22 |
KR0162251B1 KR0162251B1 (ko) | 1999-03-20 |
Family
ID=10657502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900007571A KR0162251B1 (ko) | 1989-05-27 | 1990-05-25 | 전자사진 광 수용체 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5098810A (ko) |
JP (1) | JP2995333B2 (ko) |
KR (1) | KR0162251B1 (ko) |
CH (1) | CH681395A5 (ko) |
DE (1) | DE4016846A1 (ko) |
FR (1) | FR2647563B1 (ko) |
GB (2) | GB8912279D0 (ko) |
IT (1) | IT1248641B (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69431541T2 (de) * | 1993-03-29 | 2003-06-18 | Mitsubishi Chemical Corp., Tokio/Tokyo | Elektrophotographischer Photorezeptor für die Flüssigentwicklung |
JP3277133B2 (ja) * | 1996-12-26 | 2002-04-22 | シャープ株式会社 | 電子写真感光体用塗布液組成物およびそれを用いる電子写真感光体の製造方法 |
US6066426A (en) * | 1998-10-14 | 2000-05-23 | Imation Corp. | Organophotoreceptors for electrophotography featuring novel charge transport compounds |
US6340548B1 (en) | 2000-03-16 | 2002-01-22 | Imation Corp. | Organophotoreceptors for electrophotography featuring novel charge transport compounds |
JP2005017579A (ja) * | 2003-06-25 | 2005-01-20 | Konica Minolta Business Technologies Inc | 有機感光体、プロセスカートリッジ、画像形成装置及び画像形成方法 |
US6768010B1 (en) * | 2003-09-16 | 2004-07-27 | Samsung Electronics Co., Ltd. | Organophotoreceptor with an epoxy-modified charge transport compound having an azine group |
JP5705048B2 (ja) * | 2011-07-13 | 2015-04-22 | 高砂香料工業株式会社 | 電子写真感光体 |
LT6540B (lt) * | 2016-09-19 | 2018-06-25 | Kauno technologijos universitetas | Skyles transportuojančios organinės molekulės, turinčios enamino grupių, skirtos optoelektroniniams bei fotoelektroniniams prietaisams |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4150987A (en) * | 1977-10-17 | 1979-04-24 | International Business Machines Corporation | Hydrazone containing charge transport element and photoconductive process of using same |
JPS6028342B2 (ja) * | 1978-06-21 | 1985-07-04 | コニカ株式会社 | 電子写真感光体 |
JPS5681850A (en) * | 1979-12-08 | 1981-07-04 | Ricoh Co Ltd | Electrophotographic receptor |
US4436800A (en) * | 1981-05-28 | 1984-03-13 | Ricoh Co., Ltd. | Multilayer electrophotographic element containing a trisazo charge carrier generating substance and a hydrazone charge carrier transfer substance |
JPS5915251A (ja) * | 1982-07-16 | 1984-01-26 | Mitsubishi Chem Ind Ltd | 電子写真用感光体 |
JPS59114545A (ja) * | 1982-12-21 | 1984-07-02 | Mitsubishi Paper Mills Ltd | 電子写真感光体 |
DE3447685A1 (de) * | 1983-12-28 | 1985-07-18 | Ricoh Co., Ltd., Tokio/Tokyo | Disazoverbindungen, verfahren zu ihrer herstellung und ein diese verbindungen enthaltendes elektrophotographisches element |
JPS60162260A (ja) * | 1984-02-01 | 1985-08-24 | Takasago Corp | 電子写真感光体 |
JPS60163047A (ja) * | 1984-02-03 | 1985-08-24 | Fuji Photo Film Co Ltd | 電子写真感光体 |
JPS61134767A (ja) * | 1984-12-05 | 1986-06-21 | Mitsubishi Chem Ind Ltd | 電子写真感光体 |
DE3582576D1 (de) * | 1985-01-03 | 1991-05-23 | Ciba Geigy Ag | Dithioketo-pyrrolo-pyrrole, verfahren zu deren herstellung und verwendung. |
JPS62153959A (ja) * | 1985-12-27 | 1987-07-08 | Fuji Electric Co Ltd | 積層型電子写真用感光体 |
JPH0675207B2 (ja) * | 1986-02-07 | 1994-09-21 | 三菱化成株式会社 | 電子写真用感光体 |
US4808505A (en) * | 1986-04-08 | 1989-02-28 | Minolta Camera Kabushiki Kaisha | Photosensitive member with enamine charge transport material |
JPS6314154A (ja) * | 1986-07-05 | 1988-01-21 | Oki Electric Ind Co Ltd | 電子写真感光体 |
JPH083640B2 (ja) * | 1986-10-09 | 1996-01-17 | ミノルタ株式会社 | 感光体 |
JPH01230055A (ja) * | 1987-11-30 | 1989-09-13 | Mita Ind Co Ltd | 電子写真用感光体 |
-
1989
- 1989-05-27 GB GB898912279A patent/GB8912279D0/en active Pending
-
1990
- 1990-05-21 GB GB9011360A patent/GB2232778B/en not_active Expired - Fee Related
- 1990-05-22 FR FR9006355A patent/FR2647563B1/fr not_active Expired - Fee Related
- 1990-05-23 CH CH1766/90A patent/CH681395A5/de not_active IP Right Cessation
- 1990-05-24 US US07/528,190 patent/US5098810A/en not_active Expired - Fee Related
- 1990-05-25 KR KR1019900007571A patent/KR0162251B1/ko not_active IP Right Cessation
- 1990-05-25 DE DE4016846A patent/DE4016846A1/de not_active Withdrawn
- 1990-05-25 IT IT02042790A patent/IT1248641B/it active IP Right Grant
- 1990-05-28 JP JP2138139A patent/JP2995333B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB9011360D0 (en) | 1990-07-11 |
IT1248641B (it) | 1995-01-26 |
JP2995333B2 (ja) | 1999-12-27 |
JPH03101740A (ja) | 1991-04-26 |
IT9020427A1 (it) | 1991-11-25 |
KR0162251B1 (ko) | 1999-03-20 |
FR2647563B1 (fr) | 1998-02-20 |
GB2232778B (en) | 1993-08-25 |
DE4016846A1 (de) | 1990-11-29 |
FR2647563A1 (fr) | 1990-11-30 |
GB8912279D0 (en) | 1989-07-12 |
CH681395A5 (ko) | 1993-03-15 |
US5098810A (en) | 1992-03-24 |
GB2232778A (en) | 1990-12-19 |
IT9020427A0 (it) | 1990-05-25 |
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