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:
Apr. 23, 1985
Filed:
Sep. 07, 1982
Applicant:
Inventors:
Hartmut Dulken, Warstein, DE;
Karlheinz Kassel, Warstein, DE;
Wolfgang Mows, Welver-Borgeln, DE;
Hubert Walsdorfer, Warstein, DE;
Assignee:
Licentia Patent-Verwaltungs-GmbH, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 57 ; 430 84 ; 430 95 ;
Abstract
An electrophotographic recording material comprises a conductive substrate, a first photoconductive selenium layer containing halogen disposed on the substrate, and a second photoconductive selenium layer containing arsenic disposed on the second photo conductive layer. The first photo conductive layer disposed on the substrate additionally contains arsenic.
Dulken, Hartmut. (1985). Dual layer electrophotographic recording material containing a layer of (U.S. Patent No. 4513072). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4513072
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile