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JPS6422969A Expired / Lapsed JP ⏱️ 0.0 years remaining

Azo compound and production thereof

Assignee: Ricoh Co Ltd
•
Filing: 1987-07-17
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Granted: —
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Expires: 2007-07-17
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Abstract

Abstract NEW MATERIAL:A compound of formula I [R1 and R2 are each (substituted) alkyl, (substituted)aryl, heterocyclic residue, etc.; R3 is H (but excepted when R4 is H), (substituted)alkyl, (substituted)alkoxy, (substituted)alkylsulfonyl, halogen, (substituted)aryl, etc.; n1 is 1-4; R4 is H, (substituted)alkyl or (substituted) aryl; X is diazonium residue; n2 is 1-4]. USE:Useful as a charge-generating matter for lamination-type electrophotography photosensitive substance, charge-generating matter in electrophotography photosensitive substance having monolayer-type photosensitive layer formula by dispersing said matter and charge-carrier in a resin, and photoconductive matter in electrophotography photosensitive substance having photosensitive layer formed by dispersing said matter in a resin. PREPARATION:A reaction is carried out between a 2-hydroxy-3-carbamoylbenzo [a] carbazole derivative of formula II and a diazonium salt compound of formula III (Y is anionic functional group).

Inventors

  • 👤 Mitsuru Hashimoto
  • 👤 Masaomi Sasaki

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-09 22:54
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; G03G5/0675; G03G5/0679; G03G5/0681; G03G5/0677; G03G5/0687; G03G5/0688; G03G5/0694

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

JPS54155227A Cited
JPS5694357A Cited
JPS59197465A Cited
JPS60118750A Cited
JPS60247244A Cited
JPS614765A Cited

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