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:
Oct. 02, 2001
Filed:
Apr. 24, 1998
Itaru Takaya, Numazu, JP;
Kazuo Yoshinaga, Kawasaki, JP;
Yuko Sato, Numazu, JP;
Katsumi Aoki, Yokohama, JP;
Masataka Kawahara, Shizuoka-ken, JP;
Keiko Hiraoka, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides an electrophotographic photosensitive member having a substrate and a photosensitive layer thereupon, wherein a surface layer of the photosensitive member contains a resin which is obtained by being subject to polycondensation as a monomer component only an organosilicon-modified positive hole transporting compound; a process cartridge which has, in addition to the electrophotographic photosensitive member, at least one from among a primary charging means, a developing means, and a cleaning means placed into a housing; and the image forming apparatus using the electrophotographic photosensitive member.