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:
Jun. 17, 2014
Filed:
Nov. 17, 2008
Applicants:
Takayuki Araki, Settsu, JP;
Noritoshi Oka, Settsu, JP;
Yoshito Tanaka, Settsu, JP;
Takayuki Nakamura, Settsu, JP;
Tetsuo Shimizu, Settsu, JP;
Inventors:
Takayuki Araki, Settsu, JP;
Noritoshi Oka, Settsu, JP;
Yoshito Tanaka, Settsu, JP;
Takayuki Nakamura, Settsu, JP;
Tetsuo Shimizu, Settsu, JP;
Assignee:
Daikin Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A material for solid polyelectrolytes which comprises a polymer comprising two or more fluoropolymer segments differing in monomer composition, wherein at least one of the fluoropolymer segments has sulfonic acid type functional groups.