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:
Sep. 06, 2005
Filed:
Mar. 29, 2002
Hiroshi Shinoda, Tsukuba, JP;
Katsuhiko Iwasaki, Tsukuba, JP;
Atsushi Terahara, Tsukuba, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A polymer electrolyte having, in a main chain, a structural unit represented by the following formula (1):—[Ar—(SO—N(X)—SO—Ar)—SO—N(X)—SO—Ar—O]—  (1)wherein Arand Arindependently represent a divalent aromatic groups, m represents an integer of 0 to 3, and Xrepresents an ion selected from hydrogen ion, an alkali metal ion and ammonium ion, which is excellent in proton conductivity, thermal resistance and strength. The polymer electrolyte is soluble in solvents and has excellent film forming property and recycling efficiency.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile