The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 1988
Filed:
Mar. 27, 1986
Applicant:
Inventors:
Masataka Yamashita, Kawasaki, JP;
Takao Takiguchi, Tokyo, JP;
Shoji Umehara, Fuchu, JP;
Masakazu Matsumoto, Yokohama, JP;
Shozo Ishikawa, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430 59 ; 430 58 ; 430 70 ; 430 71 ; 430 72 ; 430 73 ; 430 74 ; 430 75 ; 430 76 ; 430 77 ; 430 78 ; 534809 ; 534811 ; 534689 ; 534691 ; 534754 ; 534755 ; 534757 ; 534830 ; 534832 ;
Abstract
A photosensitive member for electrophotography comprising a photosensitive layer containing an azo pigment selected from those represented by the following formulas (1)-(6): ##STR1## wherein R is an alkyl, aralkyl, aryl, or acyl each capable of having a substituent; Ar is an arylene or heterocyclic group each capable of having a substituent; Ar is a coupler residue group having a phenolic OH group; B is hydrogen, nitroso, or an alkyl, aralkyl, aryl or acyl group capable of having a substituent; and n is 0 or 1.