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. 05, 1987
Filed:
Nov. 01, 1984
Applicant:
Inventors:
Hirofusa Shirai, Chiisagata, JP;
Kenji Hanabusa, Ueda, JP;
Mitsutoshi Kitamura, Kawagoe, JP;
Nobumasa Hojo, Ueda, JP;
Okikazu Hirabaru, Miyakonojo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
252600 ; 350311 ;
Abstract
A novel metalo-phthalocyanine or an alkyl ester thereof in which each of two benzene nuclei of the four benzene nuclei condensed in the phthalocyanine ring has a carboxyl or alkoxy carbonyl radical attached thereto is well compatible with an organic polymer and thus provides an electroconductive polymer composition which may be formed into films or suitable articles.