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:
Jun. 30, 1992
Filed:
Feb. 04, 1991
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 59 ;
Abstract
An electrophotographic photosensitive member having a photosensitive layer laminated on an electroconductive support, characterized in that the photosensitive layer contains a biphenyl compound represented by the following formula: ##STR1## (wherein R.sup.1 represents an alkyl group; R.sup.3 represents an aralkyl group; R.sup.3 and R.sup.4 each represent an aromatic ring group; Ar and Ar' each represent a divalent aromatic ring group).