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. 25, 1997
Filed:
Jul. 21, 1995
Applicant:
Inventors:
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430100 ; 430125 ;
Abstract
The disclosure describes an electrophotographic copying process for reversal development using a laminate-type electrophotographic photoreceptor having laminated on an electroconductive support a charge generation layer containing a phthalocyanine compound and a charge transport layer, and capable of forming plural copies of image, comprising at least charging step, image exposing step, developing step, transferring step and charge erasing step by light, wherein the charge erasure by light is not conducted in image formation by the first rotation of photoreceptor and is conducted in image formation by the second and succeeding rotations of photoreceptor.