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. 20, 2011
Filed:
Feb. 13, 2008
Masahiko Minemura, Annaka, JP;
Noriyoshi Ogawa, Kamisu, JP;
Masahiko Minemura, Annaka, JP;
Noriyoshi Ogawa, Kamisu, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
The present invention provides an electrophotographic photoreceptor having excellent lubricity and abrasion resistance by using a novel polycarbonate resin comprising structural units having a polysiloxane chain in the shape of grafts as represented by the following general formula (1) with a viscosity-average molecular weight of 12,000 to 100,000 as a binder resin for a charge transport layer of a electrophotographic photoreceptor. wherein Rto Reach independently represents hydrogen, fluorine, chlorine, bromine, iodine, an alkyl group, an aryl group, an alkoxy group or an aralkyl group. Rrepresents an alkylene group. Y represents a polysiloxane chain.