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.

Date of Patent:
Nov. 26, 1996

Filed:

Aug. 21, 1995
Applicant:
Inventors:

Fumio Ojima, Minami-ashigara, JP;

Tomoo Kobayashi, Minami-ashigara, JP;

Toru Ishii, Minami-ashigara, JP;

Kiyokazu Mashimo, Minami-ashigara, JP;

Tomozumi Uesaka, Minami-ashigara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 83 ; 430 59 ; 430 96 ;
Abstract

An electrophotographic photoreceptor is disclosed which comprises an electroconductive substrate and a photosensitive layer formed thereon, said photosensitive layer containing as a binder resin a copolycarbonate resin comprising a structural unit represented by formula (I) ##STR1## and a structural unit represented by formula (II) ##STR2## wherein X and X' each is hydrogen, a halogen, or methyl; R, a substituent, is hydroxyl, carboxyl, acetyl, or a C.sub.1-4 alkyl; and j is 0 to 3 and further containing as a charge transport material a triarylamine compound represented by formula (III) ##STR3## wherein R.sub.1 is hydrogen or methyl; k is 1 or 2; and Ar.sub.1 and Ar.sub.2 each is an optionally substituted aryl.


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