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:
Aug. 22, 1989
Filed:
Oct. 13, 1987
Applicant:
Inventors:
Yoshihiro Nishio, Saitama, JP;
Masanobu Nakamura, Saitama, JP;
Midori Fukawatase, Saitama, JP;
Kenji Takahashi, Tokyo, JP;
Assignee:
Dainippon Ink & Chemical, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430 72 ; 430 76 ; 430 49 ; 430300 ;
Abstract
An electrophotographic printing plate comprises a substrate having formed thereon a photoconductive layer comprising (a) a disazo based compound, (b) a perynone based compound, (c) a hole transport material, and (d) an alkali-soluble resin.