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:
Feb. 20, 2001
Filed:
Sep. 08, 1998
Applicant:
Inventors:
Masataka Takeuchi, Chiba, JP;
Shuichi Naijo, Chiba, JP;
Takashi Ohkubo, Chiba, JP;
Ayako Nishioka, Chiba, JP;
Masaaki Nishioka, Chiba, JP;
Assignee:
Showa Denko Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/040 ; C07C 6/996 ; H01G 9/022 ;
U.S. Cl.
CPC ...
H01M 1/040 ; C07C 6/996 ; H01G 9/022 ;
Abstract
The polymer compound of the present invention which contains a poly- or oligo-carbonate group and is preferably obtained by utilizing a polymerization reaction using a polymerizable functional group represented by formula (2) and/or formula (3) below: