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:
Feb. 20, 1996
Filed:
Aug. 06, 1993
Masao Yoshikawa, Yokohama, JP;
Masayuki Shoshi, Yokohama, JP;
Tetsuro Suzuki, Yokohama, JP;
Masakatsu Shimoda, Higashi-Kurume, JP;
Kaoru Teramura, Kawasaki, JP;
Megumi Kawahara, Yokohama, JP;
Akio Kojima, Mitaka, JP;
Masaomi Sasaki, Susono, JP;
Masafumi Ohta, Susono, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A positively-chargeable single-layered type organic electrophotographic photoconductor composed of an electroconductive support and an organic single-layered photoconductive layer containing a charge generating material, an organic positive hole transporting material and an organic acceptor compound which are dispersed in a matrix binder agent, with the relationship of the oxidation potential (E.sub.ox) of the charge generating material.ltoreq.the oxidation potential (E.sub.ox) of the organic positive hole transporting material being satisfied.