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:
Sep. 09, 1986
Filed:
Dec. 19, 1985
Applicant:
Inventors:
Takao Takiguchi, Tokyo, JP;
Hajime Miyazaki, Yokohama, JP;
Masakazu Matsumoto, Yokohama, JP;
Shozo Ishikawa, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 76 ; 534761 ; 430 57 ;
Abstract
An electrophotographic photosensitive member comprises a photosensitive layer containing a disazo pigment represented by the formula, ##STR1## wherein R.sub.1 and R.sub.2, which may be either identical or different, each represent hydrogen atom, alkyl group, alkoxy group, halogen atom or cyano group, and A represents a coupler residue having a phenolic hydroxyl group.