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. 15, 2016
Filed:
Jun. 20, 2012
Applicants:
Yuko Shiotani, Settsu, JP;
Yoshito Tanaka, Settsu, JP;
Jun Miki, Settsu, JP;
Inventors:
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 69/08 (2006.01); B01D 71/36 (2006.01); B01D 71/34 (2006.01); C08J 9/28 (2006.01); C08F 214/22 (2006.01); C08F 14/26 (2006.01); B01D 71/32 (2006.01); C08G 61/12 (2006.01); C08F 8/26 (2006.01); C08F 214/26 (2006.01);
U.S. Cl.
CPC ...
B01D 71/36 (2013.01); B01D 69/08 (2013.01); B01D 71/32 (2013.01); B01D 71/34 (2013.01); C08F 8/26 (2013.01); C08F 214/22 (2013.01); C08G 61/121 (2013.01); C08J 9/28 (2013.01); B01D 2325/36 (2013.01); C08F 214/26 (2013.01); C08J 2201/0544 (2013.01); C08J 2327/14 (2013.01); C08J 2327/18 (2013.01);
Abstract
The present invention aims to provide a porous polymer membrane that is excellent not only in water permeability and alkali resistance but also in mechanical strength. The porous polymer membrane of the present invention includes a fluoropolymer (A) that includes a vinylidene fluoride unit and a tetrafluoroethylene unit.