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:
Nov. 17, 1981
Filed:
Nov. 26, 1979
Applicant:
Inventors:
Heinz Herrmann, Wiesbaden, DE;
Detlef Winkelmann, Wiesbaden, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430 66 ; 430961 ; 430 67 ; 430132 ; 430 79 ;
Abstract
This invention relates to an electrophotographic material comprising an electrically conductive support, a photoconductive layer based on at least one organic photoconductive substance on the support, and a protective layer composed of at least one polymeric substance covering the photoconductive layer, said protective layer containing at least one photoconductive organic compound in a quantity of about 0.1 to 30 percent by weight, based on the weight of polymeric substance.