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. 26, 1995
Filed:
Dec. 26, 1991
Applicant:
Inventors:
Shintetsu Go, Yokohama, JP;
Yoshio Kashizaki, Yokohama, JP;
Koichi Suzuki, Kawasaki, JP;
Satomi Ohmura, Kawasaki, JP;
Masato Tanaka, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 58 ; 430 57 ; 430 72 ; 430 75 ; 355271 ; 355296 ;
Abstract
An electrophotographic photosensitive member includes an electroconductive support and a photosensitive layer formed thereon, the photosensitive layer containing a resin having the acetal moiety represented by the formula [I] below: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 are independently a hydrogen atom, a fluorine atom, or a trifluoromethyl group, respectively, provided that all of R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 are not simultaneously hydrogen atoms.