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:
Mar. 20, 2012
Filed:
Aug. 21, 2007
Noriyoshi Ogawa, Ibaraki, JP;
Noriyoshi Ogawa, Ibaraki, JP;
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
An electrophotographic photoreceptor which is excellent in wear resistance and crack resistance and has a long photoreceptor lifetime can be produced by using a polycarbonate resin composition prepared by blending 100 parts by weight of a polycarbonate resin with 0.01 to 5 parts by weight of a silicone-modified polyurethane obtained by reacting (a) a diol component represented by the general formula (I) with (b) an active hydrogen containing polysiloxane compound, (c) a polyisocyanate component and, if necessary, (d) a chain extender as the material for the backing film of a photoreceptor belt. [Chemical formula 1](I) wherein Rand Rare each independently hydrogen or alkyl; Ris hydrogen, alkyl, alkoxy, halogeno or alkoxycarbonyl; M is a single bond, substituted or unsubstituted alkylene, or oxyalkylene; and n is an integer of 0 to 4.