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. 14, 1992
Filed:
Jul. 20, 1990
Applicant:
Inventors:
Motoko Yokokawa, Kanagawa, JP;
Seiji Ashiya, Kanagawa, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 71 ; 430135 ;
Abstract
An electrophotographic photoreceptor which employs a photosensitive layer including a binder resin and an organic pigment as a charge generating material which has been subjected to an acid pasting treatment. The sulfur content of the organic pigment is maintained at 500 ppm or less to achieve a stable high chargeability and low dark decay coefficient.