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:
Apr. 27, 1976
Filed:
Jan. 03, 1974
Applicant:
Inventors:
Shoji Maruyama, Sagamihara, JA;
Tomio Kubota, Tokyo, JA;
Katue Kojima, Tokyo, JA;
Hiroshi Tamura, Kawasaki, JA;
Masahide Harada, Tokyo, JA;
Assignee:
Ricoh Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; G03G / ;
U.S. Cl.
CPC ...
2602 / ; 96-16 ; 2602 / ; 2602 / ;
Abstract
There are provided sensitizers for electrophotographic light-sensitive materials including organic photoconductors and electrophotographic light-sensitive materials containing same. The sensitizers are reaction products comprising benzopyrylium salt and benzopyran.