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:
Jul. 30, 1991
Filed:
Aug. 09, 1989
Seiji Horie, Kanagawa, JP;
Naonori Makino, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
An electrophotographic photoreceptor comprising an electrically conductive support and, formed thereon, at least a charge generating layer and a charge transporting layer, the charge generating layer containing a phthalocyanine pigment and, as a resin binder, at least one copolymer which comprises as recurring units at least styrene units and maleic anhydride half ester units represented by the following general formula (I): ##STR1## wherein R represents an alkyl group or an aryl group. The electrophotographic photoreceptor has high sensitivity and excellent durability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile