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:
Jan. 09, 1990
Filed:
Feb. 06, 1989
Applicant:
Inventors:
Susumu Tanaka, Tsukuba, JP;
Masaaki Sato, Tsukuba, JP;
Kyoji Kaeriyama, Tsuchiura, JP;
Yoshio Suda, Hachioji, JP;
Takao Hiraide, Tochigi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01B / ; H01B / ;
U.S. Cl.
CPC ...
252500 ; 252518 ; 526256 ; 526257 ; 524 80 ; 524401 ; 524404 ; 524415 ; 524418 ; 524421 ; 524423 ; 524157 ; 524408 ; 524316 ; 528490 ; 528491 ;
Abstract
A thiophene derivative polymer comprising repeating units of the formula: ##STR1## (wherein R stands for one member selected from the group consisting of ##STR2## and a polymer composition having the polymer doped with an anion and consequently possessing a semiconducting characteristic.