DE3221642C2 - Neue Bisazoverbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung in elektrophotographischen Aufzeichnungsmaterialien - Google Patents

Neue Bisazoverbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung in elektrophotographischen Aufzeichnungsmaterialien

Info

Publication number
DE3221642C2
DE3221642C2 DE3221642A DE3221642A DE3221642C2 DE 3221642 C2 DE3221642 C2 DE 3221642C2 DE 3221642 A DE3221642 A DE 3221642A DE 3221642 A DE3221642 A DE 3221642A DE 3221642 C2 DE3221642 C2 DE 3221642C2
Authority
DE
Germany
Prior art keywords
och
recording materials
layer
recording material
connection
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
Application number
DE3221642A
Other languages
German (de)
English (en)
Other versions
DE3221642A1 (de
Inventor
Mitsuru Numazu Shizuoka Hashimoto
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
Priority claimed from JP8784681A external-priority patent/JPS57202545A/ja
Priority claimed from JP8784581A external-priority patent/JPS5935935B2/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE3221642A1 publication Critical patent/DE3221642A1/de
Application granted granted Critical
Publication of DE3221642C2 publication Critical patent/DE3221642C2/de
Expired legal-status Critical Current

Links

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 or 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
    • G03G5/0679—Disazo dyes
    • G03G5/0683—Disazo dyes containing polymethine or anthraquinone groups
    • 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
    • C09B35/02—Disazo dyes
    • C09B35/021—Disazo dyes characterised by two coupling components of the same type
    • C09B35/033—Disazo dyes characterised by two coupling components of the same type in which the coupling component is an arylamide of an o-hydroxy-carboxylic acid or of a beta-keto-carboxylic acid
    • 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
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photoreceptors In Electrophotography (AREA)
DE3221642A 1981-06-08 1982-06-08 Neue Bisazoverbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung in elektrophotographischen Aufzeichnungsmaterialien Expired DE3221642C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8784681A JPS57202545A (en) 1981-06-08 1981-06-08 Electrophotographic receptor
JP8784581A JPS5935935B2 (ja) 1981-06-08 1981-06-08 新規なジスアゾ化合物およびその製造方法

Publications (2)

Publication Number Publication Date
DE3221642A1 DE3221642A1 (de) 1983-01-13
DE3221642C2 true DE3221642C2 (de) 1984-09-13

Family

ID=26429095

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3221642A Expired DE3221642C2 (de) 1981-06-08 1982-06-08 Neue Bisazoverbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung in elektrophotographischen Aufzeichnungsmaterialien
DE3249395A Expired DE3249395C2 (enExample) 1981-06-08 1982-06-08

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3249395A Expired DE3249395C2 (enExample) 1981-06-08 1982-06-08

Country Status (2)

Country Link
US (2) US4440845A (enExample)
DE (2) DE3221642C2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537844A (en) * 1982-10-08 1985-08-27 Ricoh Co. Ltd. Electrophotographic element containing disazo compound
US4540643A (en) * 1983-04-26 1985-09-10 Ricoh Co., Ltd. Tetrazonium salt compounds, novel disazo compounds, method for the production thereof and disazo compound-containing electrophotographic elements
JPS59218447A (ja) * 1983-05-26 1984-12-08 Konishiroku Photo Ind Co Ltd 電子写真感光体及びその製造方法
JPS6148859A (ja) * 1984-08-17 1986-03-10 Konishiroku Photo Ind Co Ltd 正帯電用感光体
JPH0833668B2 (ja) * 1988-04-05 1996-03-29 富士写真フイルム株式会社 電子写真感光体
US4833052A (en) * 1988-08-02 1989-05-23 Xerox Corporation Bisazo photoconductive imaging members
JP2782113B2 (ja) * 1990-10-09 1998-07-30 キヤノン株式会社 電子写真感光体、該電子写真感光体を備えた電子写真装置並びにファクシミリ
US5633108A (en) * 1995-09-29 1997-05-27 Moore Business Forms, Inc. Monocomponent resistive toner for field charging
US6174637B1 (en) 2000-01-19 2001-01-16 Xerox Corporation Electrophotographic imaging member and process of making
EP1298496A3 (en) * 2001-09-28 2004-10-27 SAMSUNG ELECTRONICS Co. Ltd. Electrophotographic organophotoreceptors
US8232376B2 (en) * 2007-06-29 2012-07-31 Ricoh Company, Ltd. Azo compound and method of preparing the azo compound

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2831557A1 (de) 1977-07-18 1979-02-01 Ricoh Kk Elektrophotographisches aufzeichnungsmaterial

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1412924A (en) * 1973-03-16 1975-11-05 Ciba Geigy Ag Disazoe pigments and processes for their manufacutre
US4272598A (en) * 1977-04-27 1981-06-09 Ricoh Co., Ltd. Electrophotographic material containing disazo compounds
JPS6027017B2 (ja) * 1977-07-08 1985-06-26 株式会社リコー 電子写真用感光体
JPS6028344B2 (ja) * 1979-09-20 1985-07-04 コニカ株式会社 電子写真感光体
US4349616A (en) * 1979-12-28 1982-09-14 Ricoh Co., Ltd. Disazo pigment containing electrophotographic element
JPS56119134A (en) * 1980-02-25 1981-09-18 Copyer Co Ltd Electrophotographic receptor
US4618672A (en) * 1980-04-30 1986-10-21 Ricoh Company, Ltd. Bisazo compounds useful as charge generating pigments in electrophotography

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2831557A1 (de) 1977-07-18 1979-02-01 Ricoh Kk Elektrophotographisches aufzeichnungsmaterial

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
DE3249395C2 (enExample) 1987-12-10
US4555567A (en) 1985-11-26
DE3221642A1 (de) 1983-01-13
US4440845A (en) 1984-04-03

Similar Documents

Publication Publication Date Title
DE2919791A1 (de) Elektrophotographische platte
DE3208337A1 (de) Lichtempfindliches elektrophotographisches element
DE69922099T2 (de) Elektrophotographisches lichtempfindliches Element, Prozesskartusche und elektrophotographisches Gerät
DE3447685A1 (de) Disazoverbindungen, verfahren zu ihrer herstellung und ein diese verbindungen enthaltendes elektrophotographisches element
DE3318510C2 (de) Bisazoverbindung, Verfahren zu deren Herstellung und die Bisazoverbindung enthaltendes elektrophotographisches Aufzeichnungsmaterial
DE2635887C3 (de) Verfahren zur Herstellung eines elektrophotographischen Aufzeichnungsmaterial
DE3221642A1 (de) Neue bisazoverbindungen, verfahren zu ihrer herstellung und ihre verwendung in elektrophotographischen aufzeichnungsmaterialien
US4956255A (en) Photosensitive member
DE3602987C2 (enExample)
DE3920881A1 (de) Photoleiter fuer die elektrophotographie
DE19600543A1 (de) Elektrophotographische Photorezeptoren
DE4304299A1 (enExample)
DE3909537A1 (de) Photoleiter fuer die elektrophotographie
DE3336595C2 (enExample)
DE3448011C2 (enExample)
DE2947760A1 (de) Photosensitives element
DE2722332C2 (de) 5-[3-(9-Äthyl)-carbazolyl]-1,3,4-oxadiazolderivate
DE2242627C2 (de) Elektrophotographisches Aufzeichnungsmaterial
DE3321871A1 (de) Bisazo-verbindung und diese bisazo-verbindung enthaltende elektrophotographische aufzeichnungsmaterialien
DE3521652C2 (enExample)
DE3220208C2 (de) Elektrophotographisches Aufzeichnungsmaterial
DE3711795A1 (de) Lichtempfindliches element
DE3220010C2 (de) Elektrophotographisches Aufzeichnungsmaterial
DE69413367T2 (de) Zusammensetzung zur Herstellung einer Ladungstransportschicht, und elektrophotographisches Element
DE4028184A1 (de) Photoleiter fuer die elektrophotographie

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8172 Supplementary division/partition in:

Ref country code: DE

Ref document number: 3249395

Format of ref document f/p: P

Q171 Divided out to:

Ref country code: DE

Ref document number: 3249395

D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: SCHWABE, H., DIPL.-ING. SANDMAIR, K., DIPL.-CHEM. DR.JUR. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN

AH Division in

Ref country code: DE

Ref document number: 3249395

Format of ref document f/p: P