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. 03, 1993
Filed:
Dec. 30, 1987
Applicant:
Inventors:
Yasuo Katsuya, Hitachi, JP;
Takayuki Akimoto, Hitachi, JP;
Yoshii Morishita, Hitachi, JP;
Yasushi Shinbo, Hitachi, JP;
Akira Kageyama, Hitachi, JP;
Shigeru Hayashida, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564319 ; 564316 ; 564431 ; 564434 ; 564383 ; 430 30 ;
Abstract
A novel enamine derivative is effective as a charge transport material and can provide an electrophotographic plate excellent in sensitivity, photoresponse and durability.