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:
May. 16, 1989
Filed:
May. 26, 1987
Applicant:
Inventors:
Toshio Fukagai, Shizuoka, JP;
Michio Kimura, Numazu, JP;
Masafumi Ohta, Susono, JP;
Mitsuru Hashimoto, Numazu, JP;
Assignee:
Ricoh Company Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 58 ; 430 72 ; 430 76 ;
Abstract
An electrophotographic photoconductor an electroconductive substrate, an intermediate layer comprising a charge generating azo pigment and a thermosetting resin, a charge generating layer and a charge transporting layer, which layers are successively overlaid on the electroconductive substrate, the charge generating azo pigment being any of the azo pigments (1) through (4): ##STR1##