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:
Mar. 21, 1989
Filed:
Aug. 18, 1987
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
An electrophotographic photoreceptor is described, comprising a photosensitive layer disposed on a conductive substrate, said photosensitive layer having a laminated structure comprising an electric charge generating layer and an electric charge transporting layer, said electric charge generating layer containing a phthalocyanine pigment which is selected from .epsilon.-type copper phthalocyanine, aluminum chloride phthalocyanine, vanadyl phthalocyanine, X-type or t-type phthalocyanine, indium chloride phthalocyanine, titanyl phthalocyanine, germanium chloride phthalocyanine, calcium chloride phthalocyanine, and magnesium phthalocyanine, one of the benzene rings of the aluminum chloride or indium chloride phthalocyanine being optionally monochlorinated, and said electric charge transporting layer containing at least one bishydrazone compound as represented by formula (I) or (II) ##STR1## X is represented by the formula ##STR2## wherein l and n each is 0 or an integer of 1 to 6, and m is 0 or 1; Y represents an oxygen atom, a sulfur atom, a selenium atom, an unsubstituted or substituted imino group, or an unsubstituted or substituted methylene group; and