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 7282291 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 16, 2007

Filed:

Nov. 24, 2003
Applicants:

Sekharipuram R. Narayanan, Altadena, CA (US);

Shiao-pin S. Yen, Altadena, CA (US);

Inventors:

Sekharipuram R. Narayanan, Altadena, CA (US);

Shiao-Pin S. Yen, Altadena, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01); C08J 5/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed are methods for forming a water-free electrolyte membrane useful in fuel cells. Also provided is a water-free electrolyte membrane comprising a quaternized amine salt including poly-4-vinylpyridinebisulfate, a poly-4-vinylpyridinebisulfate silica composite, and a combination thereof and a fuel cell comprising the membrane.


Find Patent Forward Citations

Narayanan, Sekharipuram. (2007). Water free proton conducting membranes based on poly-4-vinylpyridinebisulfate for fuel cells (U.S. Patent No. 7282291). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7282291

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

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