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:
Jan. 07, 1992
Filed:
Jan. 19, 1990
Applicant:
Inventors:
Toshihiro Kikuchi, Yokohama, JP;
Tetsuro Kanemaru, Tokyo, JP;
Akihiro Senoo, Yokohama, JP;
Ryoji Yashiro, Yamanashi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430 59 ; 430 70 ; 430 72 ; 430 75 ; 430 76 ; 430 77 ; 430 78 ; 430 79 ; 430 83 ;
Abstract
A photosensitive member for electrophotography, comprising an electroconductive substrate and a photosensitive layer disposed thereon, wherein the photosensitive layer comprises a pyrene compound represented by the following general formula (I): ##STR1## wherein Ar.sub.1 and Ar.sub.2 respectively denote and aromatic hydrocarbon group capable of having a substituent, or an aromatic heterocyclic group capable of having a substituent.