GB2131041B - Disazo compounds and electrophotographic elements containing them - Google Patents

Disazo compounds and electrophotographic elements containing them

Info

Publication number
GB2131041B
GB2131041B GB08327020A GB8327020A GB2131041B GB 2131041 B GB2131041 B GB 2131041B GB 08327020 A GB08327020 A GB 08327020A GB 8327020 A GB8327020 A GB 8327020A GB 2131041 B GB2131041 B GB 2131041B
Authority
GB
United Kingdom
Prior art keywords
elements containing
disazo compounds
electrophotographic elements
electrophotographic
disazo
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
GB08327020A
Other languages
English (en)
Other versions
GB8327020D0 (en
GB2131041A (en
Inventor
Mitsuru 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 JP17741982A external-priority patent/JPS5966460A/ja
Priority claimed from JP231083A external-priority patent/JPS59127050A/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of GB8327020D0 publication Critical patent/GB8327020D0/en
Publication of GB2131041A publication Critical patent/GB2131041A/en
Application granted granted Critical
Publication of GB2131041B publication Critical patent/GB2131041B/en
Expired 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
    • C09B35/02—Disazo dyes
    • C09B35/021—Disazo dyes characterised by two coupling components of the same 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photoreceptors In Electrophotography (AREA)
GB08327020A 1982-10-08 1983-10-10 Disazo compounds and electrophotographic elements containing them Expired GB2131041B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17741982A JPS5966460A (ja) 1982-10-08 1982-10-08 新規なジスアゾ化合物およびその製造方法
JP231083A JPS59127050A (ja) 1983-01-12 1983-01-12 電子写真用感光体

Publications (3)

Publication Number Publication Date
GB8327020D0 GB8327020D0 (en) 1983-11-09
GB2131041A GB2131041A (en) 1984-06-13
GB2131041B true GB2131041B (en) 1986-07-02

Family

ID=26335657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08327020A Expired GB2131041B (en) 1982-10-08 1983-10-10 Disazo compounds and electrophotographic elements containing them

Country Status (3)

Country Link
US (2) US4537844A (OSRAM)
DE (1) DE3336595A1 (OSRAM)
GB (1) GB2131041B (OSRAM)

Families Citing this family (9)

* 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
DE3515177A1 (de) * 1984-04-27 1985-11-07 Ricoh Co., Ltd., Tokio/Tokyo Elektrophotographische originaldruckform und verfahren zur herstellung von druckplatten
US4833052A (en) * 1988-08-02 1989-05-23 Xerox Corporation Bisazo photoconductive imaging members
FR2889954B1 (fr) * 2005-08-26 2007-10-19 Oreal Colorants mixtes cationiques comprenant un chromophore anthraquinone et leur utilisation en colorant capillaire
JP5571387B2 (ja) 2007-01-11 2014-08-13 クリティカル・アウトカム・テクノロジーズ・インコーポレイテッド 癌の治療のための化合物および方法
EP2008995B1 (en) 2007-06-29 2013-09-11 Ricoh Company, Ltd. Azo compound and method of preparing the azo compound
EP2225226B1 (en) * 2007-12-26 2016-08-17 Critical Outcome Technologies, Inc. Compounds and their use in a method for treatment of cancer
EP3023426A1 (en) 2008-07-17 2016-05-25 Critical Outcome Technologies, Inc. Thiosemicarbazone inhibitor compounds and cancer treatment methods
EP3235818A3 (en) 2010-04-01 2018-03-14 Critical Outcome Technologies, Inc. Compounds for the treatment of hiv

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2412076A1 (de) * 1973-03-16 1974-09-26 Ciba Geigy Ag Neue disazopigmente und verfahren zu deren herstellung
JPS56143437A (en) * 1980-04-11 1981-11-09 Ricoh Co Ltd Electrophotographic receptor
JPS5935935B2 (ja) * 1981-06-08 1984-08-31 株式会社リコー 新規なジスアゾ化合物およびその製造方法
US4440845A (en) * 1981-06-08 1984-04-03 Ricoh Co., Ltd. Disazo compound, method of making same and electrophotographic element using same
US4537844A (en) * 1982-10-08 1985-08-27 Ricoh Co. Ltd. Electrophotographic element containing disazo compound
US4546554A (en) * 1982-11-30 1985-10-15 Cissell Manufacturing Company Clothes dryer having variable position motor and moisture sensor

Also Published As

Publication number Publication date
DE3336595C2 (OSRAM) 1987-06-11
US4537844A (en) 1985-08-27
GB8327020D0 (en) 1983-11-09
GB2131041A (en) 1984-06-13
US4656257A (en) 1987-04-07
DE3336595A1 (de) 1984-04-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961010