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. 08, 1999
Filed:
Jul. 09, 1997
Applicant:
Inventors:
Kazuo Yoshinaga, Kawasaki, JP;
Shunichiro Nishida, Yokohama, JP;
Masataka Kawahara, Shizuoka-ken, JP;
Keiko Hiraoka, Shizuoka-ken, JP;
Nobuo Kushibiki, Fujisawa, JP;
Hideki Kobayashi, Ichihara, JP;
Kikuko Takeuchi, Odawara, JP;
Toru Masatomi, Ichihara, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 66 ; 430 67 ;
Abstract
An electrophotographic photosensitive member is disclosed which has a photosensitive layer and a protection layer. The protection layer contains a particulate colloidal silica and a siloxane resin to have a contact angle of water of not less than 90.degree.. The photosensitive member has a lowered surface energy and excellent mechanical and electrical durability.