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:
Dec. 17, 1991
Filed:
Aug. 16, 1989
Fuminori Ishikawa, Hitachi, JP;
Kunihiro Tamahashi, Mito, JP;
Shigeharu Onuma, Hitachi, JP;
Masatoshi Wakagi, Hitachi, JP;
Masanobu Hanazono, Mito, JP;
Mitsuyoshi Shoji, Ibaraki, JP;
Takayuki Nakakawaji, Hitachi, JP;
Yutaka Ito, Takahagi, JP;
Shigeki Komatsuzaki, Mito, JP;
Yasuo Shimamura, Hitachi, JP;
Chiaki Yamagishi, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Chemical Company, Ltd., Tokyo, JP;
Abstract
An electrophotographic member comprising a support, a photoconductive layer formed thereon, and a surface layer formed thereon, said surface layer including or attaching a lubricating agent having a perfluoropolyoxyalkyl or perfluoropolyoxyalkylene group to form an organic surface protective lubricating layer, and a fixing group to be fixed to the surface layer, is excellent in moisture resistance, wear resistance and cleaning properties and thus useful in an electrophotographic apparatus with a long life and high reliability.