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:
Feb. 04, 1992
Filed:
Sep. 20, 1989
Applicant:
Inventors:
Mitsuhide Nakamura, Kanagawa, JP;
Shiro Kimura, Kanagawa, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
156656 ; 156664 ; 252 791 ; 134-3 ; 134 38 ;
Abstract
A method for removing an amorphous selenium-containing photosensitive layer from an electrophotographic photoreceptor including an electroconductive metallic substrate having thereon the amorphous selenium-containing photo-sensitive layer using a method in which the combination of substrate and selenium-containing photosensitive layer is treated with an aqueous solution of sodium sulfide or sodium thiourea.