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. 23, 1989
Filed:
Sep. 12, 1988
Applicant:
Inventor:
Herbert K Wurster, Los Gatos, CA (US);
Assignee:
Ricoh Corporation, San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430 58 ; 430 59 ; 430 74 ; 564307 ;
Abstract
Novel squaric acid methine dyes are provided. These dyes are useful in forming photoconductive layers for components utilized in electrographic imaging processes.