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. 24, 1996
Filed:
Dec. 12, 1994
Toshiyuki Yoshihara, Tokyo, JP;
Nobuyuki Hanami, Matsudo, JP;
Hideyuki Takai, Yokohama, JP;
Hideki Anayama, Yokohama, JP;
Hajime Miyazaki, Yokohama, JP;
Junichi Kishi, Tokyo, JP;
Itaru Yamazaki, Yokohama, JP;
Harumi Sakoh, Kawasaki, JP;
Tetsuro Kanemaru, Tokyo, JP;
Kazushi Iuchi, Ebetsu, JP;
Hideyuki Ainoya, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An to an electrophotographic photosensitive member includes a photosensitive layer containing a specified oxytitanium phthalocyanine and a polyvinyl acetal resin having a structural unit represented by Formula: ##STR1## wherein X is a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a nitro group, or a cyano group; and Y is a fluorine atom, a chlorine atom, a bromine atom, a nitro group, or a cyano group. The photosensitive member maintains a low residual potential without deterioration of the sensitivity during repeated use.