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:
Jul. 28, 1992
Filed:
Nov. 09, 1990
Agfa-Gevaert, N.V., Mortsel, BE;
Abstract
An electrophotographic recording material comprising a conductive support and a photosensitive layer containing at least one photoconductive compound that has p-type charge generating capacity and is a tetrabenzoporphyrin type compound represented by the following general formula (I): ##STR1## wherein: each of X.sup.1, X.sup.2, X.sup.3, and X.sup.4 (same or different) represents a substituent selected from the group consisting of halogen, e.g. chlorine or bromine, nitro, cyano, (C.sub.1 -C.sub.2) alkyl and alkoxy, e.g. methoxy or ethoxy or 2 X.sup.1 's, 2 X.sup.2 's, 2 X.sup.3 's or 2 X.sup.4 's together represent the atoms necessary to form a substituted or unsubstituted carbocyclic or heterocyclic ring system;