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:
Oct. 19, 1993
Filed:
Oct. 16, 1992
Applicant:
Inventors:
Shinya Mayama, Yamato, JP;
Naoto Fujimura, Yokohama, JP;
Toshiyuki Yoshihara, Inagi, JP;
Kiyoshi Sakai, Hachioji, JP;
Hideki Anayama, Yokohama, JP;
Hideyuki Ainoya, Tokyo, JP;
Katsumi Aoki, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ; H04N / ;
U.S. Cl.
CPC ...
430 58 ; 430 66 ; 430 67 ; 430 96 ; 355211 ; 358300 ; 358302 ;
Abstract
The present invention provides an electrophotographic photosensitive member comprising a conductive support and a photosensitive layer provided thereon, wherein the surface layer of the electrophotographic photosensitive member contains a polymer having a component unit represented by the following Formula (1) and a polymer having a component unit represented by the following Formula (2) and a component unit represented by the following Formula (3) in a certain proportion. ##STR1##