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:
May. 05, 1992
Filed:
Dec. 28, 1990
Applicant:
Inventors:
Leon A Teuscher, Webster, NY (US);
Satchidanand Mishra, Webster, NY (US);
Andrea G Holland, Charlotte, NC (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430 64 ; 430 58 ; 430 62 ;
Abstract
An electrophotographic imaging member includes a blocking layer formed from a maleic acid half ester copolymer which has free acid groups neutralized by an alkali metal. The imaging member may be provided with a conductive layer formed from a phenolic resin and dispersed carbon black particles in an amount which allows sufficient transparency for rear erasure.