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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.:

US 9522427 B1

PDFFull Text
Expired
Date of Patent:
Dec. 20, 2016

Filed:

Mar. 12, 2013

Perfluorinated sulfonic acid polymer membrane having porous surface layer and method for preparing the same

Applicant:

Korea Institute of Science and Technology, Seoul, KR;

Inventors:

Dirk Henkensmeier, Seoul, KR;

Quoc Khanh Dang, Seoul, KR;

Chang Won Yoon, Seoul, KR;

Eun Ae Cho, Seoul, KR;

Suk Woo Nam, Seoul, KR;

Tae Hoon Lim, Seoul, KR;

Hyoung-Juhn Kim, Gyeonggi-do, KR;

Jong Hyun Jang, Seoul, KR;

Assignee:

KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Seoul, KR;

Attorney:

Ladas & Parry LLP

Primary Examiner:

Victor Chang

Int. Cl.
CPC ...
H01M 8/1023 (2016.01); H01M 8/1081 (2016.01); H01M 8/1067 (2016.01); H01M 8/1039 (2016.01); H01M 8/1053 (2016.01); B23B 3/26 (2006.01); B29C 39/00 (2006.01); H01M 8/10 (2016.01); B29K 105/00 (2006.01); B29L 31/34 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B23B 3/26 (2013.01); B29C 39/003 (2013.01); H01M 8/1004 (2013.01); H01M 8/1039 (2013.01); H01M 8/1053 (2013.01); H01M 8/1081 (2013.01); B29K 2105/0073 (2013.01); B29L 2031/3468 (2013.01); B29L 2031/755 (2013.01); Y02E 60/523 (2013.01); Y02P 70/56 (2015.11); Y10T 428/249981 (2015.04); Y10T 428/249991 (2015.04);
Abstract

Provided are a perfluorinated sulfonic acid polymer membrane having a porous surface layer, which includes a surface layer and a bottom layer present at the bottom of the surface layer, wherein the surface layer is a porous layer, and the bottom layer is non-porous dense layer, and a method for preparing the same through a solvent evaporation process.

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Henkensmeier, Dirk. (2016). Perfluorinated sulfonic acid polymer membrane having porous surface layer and method for preparing the same (U.S. Patent No. 9522427). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9522427

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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