DE3441646C2 - - Google Patents

Info

Publication number
DE3441646C2
DE3441646C2 DE3441646A DE3441646A DE3441646C2 DE 3441646 C2 DE3441646 C2 DE 3441646C2 DE 3441646 A DE3441646 A DE 3441646A DE 3441646 A DE3441646 A DE 3441646A DE 3441646 C2 DE3441646 C2 DE 3441646C2
Authority
DE
Germany
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
Application number
DE3441646A
Other versions
DE3441646A1 (de
Inventor
Masafumi Ohta
Masaomi Susono Shizuoka Jp Sasaki
Masayuki Numazu Shizuoka Jp Shoshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE3441646A1 publication Critical patent/DE3441646A1/de
Application granted granted Critical
Publication of DE3441646C2 publication Critical patent/DE3441646C2/de
Granted legal-status Critical Current

Links

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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/378—Trisazo dyes of the type
    • 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
    • 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
    • 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
    • G03G5/0675—Azo dyes
    • G03G5/0687—Trisazo dyes
    • G03G5/0688—Trisazo dyes containing hetero rings
DE19843441646 1983-11-14 1984-11-14 Elektrophotographisches element Granted DE3441646A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58213836A JPS60104951A (ja) 1983-11-14 1983-11-14 電子写真感光体

Publications (2)

Publication Number Publication Date
DE3441646A1 DE3441646A1 (de) 1985-05-23
DE3441646C2 true DE3441646C2 (de) 1987-01-22

Family

ID=16645829

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843441646 Granted DE3441646A1 (de) 1983-11-14 1984-11-14 Elektrophotographisches element

Country Status (4)

Country Link
US (1) US4567124A (de)
JP (1) JPS60104951A (de)
DE (1) DE3441646A1 (de)
GB (1) GB2151367B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6235365A (ja) * 1985-08-09 1987-02-16 Fuji Photo Film Co Ltd 電子写真感光体
JPS62139564A (ja) * 1985-12-13 1987-06-23 Mitsubishi Paper Mills Ltd 電子写真感光体
JPS63223751A (ja) * 1987-03-13 1988-09-19 Canon Inc 電子写真感光体
JPH01261648A (ja) * 1988-04-12 1989-10-18 Konica Corp 電子写真感光体
US5073465A (en) * 1989-05-18 1991-12-17 Fuji Photo Film Co., Ltd. Electrophotographic photoreceptor comprising a trisazo charge generating compound
US5700614A (en) * 1994-03-03 1997-12-23 Ricoh Company, Ltd. cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound
JPH11242348A (ja) * 1997-07-14 1999-09-07 Ricoh Co Ltd 電子写真用顔料および該顔料を使用した電子写真用感光体
US6068956A (en) * 1998-04-09 2000-05-30 Ricoh Company, Ltd. Electrophotographic photoconductor
US7309552B2 (en) * 2003-09-18 2007-12-18 Ricoh Company, Ltd. Electrophotographic photoconductor, electrophotography, electrophotographic apparatus, process cartridge for electrophotographic apparatus and azo compound
US8951702B2 (en) 2008-07-18 2015-02-10 Fuji Electric Co., Ltd. Charge transport material that is an ethylene compound, electrophotographic photoreceptor containing the charge transport material, and process for producing the electrophotographic photoreceptor
US9867800B2 (en) 2012-08-10 2018-01-16 Hallstar Innovations Corp. Method of quenching singlet and triplet excited states of pigments, such as porphyrin compounds, particularly protoporphyrin IX, with conjugated fused tricyclic compounds have electron withdrawing groups, to reduce generation of reactive oxygen species, particularly singlet oxygen
US9125829B2 (en) 2012-08-17 2015-09-08 Hallstar Innovations Corp. Method of photostabilizing UV absorbers, particularly dibenzyolmethane derivatives, e.g., Avobenzone, with cyano-containing fused tricyclic compounds
US9145383B2 (en) 2012-08-10 2015-09-29 Hallstar Innovations Corp. Compositions, apparatus, systems, and methods for resolving electronic excited states

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57195767A (en) * 1981-05-28 1982-12-01 Ricoh Co Ltd Novel trisazo compound and production thereof
US4507471A (en) * 1981-05-28 1985-03-26 Ricoh Company, Ltd. Trisazo compounds prepared from 4,4',4"-triaminotriphenylamine and 2-hydroxy-3-phenylcarbamoylbenzo[a]carbazole derivatives
JPS57206658A (en) * 1981-06-12 1982-12-18 Ricoh Co Ltd Novel trisazo compound and its preparation
JPS57195768A (en) * 1981-05-28 1982-12-01 Ricoh Co Ltd Novel trisazo compound and production thereof
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
US4439506A (en) * 1981-05-28 1984-03-27 Ricoh Co., Ltd. Multilayer electrophotographic element containing a trisazo charge carrier generating substance and an anthracene or divinyl benzene charge carrier transfer substance
JPS57203061A (en) * 1981-06-10 1982-12-13 Ricoh Co Ltd Novel trisazo compound and its preparation
JPS5831341A (ja) * 1981-08-19 1983-02-24 Canon Inc 電子写真感光体
JPS5858550A (ja) * 1981-10-01 1983-04-07 Konishiroku Photo Ind Co Ltd 電子写真感光体
DE3315437A1 (de) * 1982-04-30 1983-11-10 Ricoh Co., Ltd., Tokyo Elektrophotographisches aufzeichnungsmaterial
US4515883A (en) * 1983-04-14 1985-05-07 Ricoh Company, Ltd. Stilbene derivatives, distyryl derivatives and electrophotographic photoconductor comprising at least one of the derivatives
JPS59204046A (ja) * 1983-05-06 1984-11-19 Konishiroku Photo Ind Co Ltd 電子写真感光体

Also Published As

Publication number Publication date
GB8428709D0 (en) 1984-12-27
GB2151367A (en) 1985-07-17
JPH0518105B2 (de) 1993-03-11
US4567124A (en) 1986-01-28
GB2151367B (en) 1987-01-14
DE3441646A1 (de) 1985-05-23
JPS60104951A (ja) 1985-06-10

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: SCHWABE, H., DIPL.-ING. SANDMAIR, K., DIPL.-CHEM.

D2 Grant after examination
8364 No opposition during term of opposition