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:
Aug. 31, 1976
Filed:
May. 29, 1975
Jurgen Rochlitz, Breckenheim, DT;
Hoechst Aktiengesellschaft, , DT;
Abstract
The present invention relates to an electrophotographic recording material consisting of an electroconductive support material with a photoconductive double layer of organic materials which consists of a homogeneous, opaque, charge carrier producing dyestuff layer and of a transparent top layer of insulating materials containing at least one charge transporting compound, which is characterized in that the organic dyestuff layer consists of a compound of the general formula ##EQU1## wherein --A-- is a diphenyl or azobenzene group which may be substituted by alkyl with 1 to 4 carbon atoms, alkoxy with 1 to 4 carbon atoms, and/or halogen,
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile