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, 2002

Filed:

Apr. 27, 2000
Applicant:
Inventors:

Kenichi Ohkura, Nagano, JP;

Seizou Kitagawa, Nagano, JP;

Masaru Takeuchi, Nagano, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/04 ;
U.S. Cl.
CPC ...
G03G 5/04 ;
Abstract

A biphenyl derivative is included in a photosensitive layer of an electrophotographic photoconductor. The electrophotographic photoconductor includes a single-layer photosensitive layer coated on a conductive substrate. The photosensitive layer includes a resin binder, a charge generation substance, a hole transport substance, and an electron transport substance. An electrophotographic apparatus using such an electrophotographic photoconductor has excellent electrical characteristics in a positive chargine system and is stable in repeated use.


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