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:
Nov. 14, 2000
Filed:
Oct. 16, 1998
Applicant:
Inventors:
Akira Yoshida, Yokohama, JP;
Hideki Anayama, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 67 ; 430 66 ; 430 96 ; 430 56 ; 399116 ; 399159 ;
Abstract
An electrophotographic photosensitive member is disclosed which is provided with a surface layer containing a polyarylate resin or polycarbonate resin. The polyarylate resin and polycarbonate resin have a structural unit having a cyclic siloxane structure in its backbone chain. Also a process cartridge and an electrophotographic apparatus using the photosensitive member are disclosed.