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:
Jul. 09, 1991
Filed:
Jun. 27, 1989
Applicant:
Inventors:
Assignee:
Sumitomo Electric Industries Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V / ; G02B / ; A01B / ; C07C / ;
U.S. Cl.
CPC ...
252582 ; 252589 ; 505-1 ; 552234 ; 552235 ; 552238 ; 552243 ; 552282 ; 552264 ; 552267 ; 552303 ;
Abstract
An organic conductive complex comprising an electron donor and an electron acceptor, the electron donor being an anthraquinone derivative represented by formula (1): ##STR1## wherein X.sup.1, X.sup.2, X.sup.3 and X.sup.4, which may be the same or different, each represents an electron donating group.