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:
Mar. 12, 2013
Filed:
Jul. 16, 2009
Kazuo Umemura, Chiyoda-ku, JP;
Hiromitsu Kusano, Chiyoda-ku, JP;
Tetsuji Shimohira, Chiyoda-ku, JP;
Susumu Saito, Chiyoda-ku, JP;
Kazuo Umemura, Chiyoda-ku, JP;
Hiromitsu Kusano, Chiyoda-ku, JP;
Tetsuji Shimohira, Chiyoda-ku, JP;
Susumu Saito, Chiyoda-ku, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
To provide an ion exchange membrane for alkaline chloride electrolysis having a low electric resistance and further having a sufficient mechanical strength. To employ an ion exchange membrane containing a polymer having units (U1). Q, Q=a perfluoroalkylene group or the like; R, R=a perfluoroalkyl group or the like; X=an oxygen atom or the like; a=0 or the like; Y=a fluorine atom or the like; r=0 or 1; and M=a hydrogen atom or an alkali metal atom.