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 7790817 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 07, 2010

Filed:

Dec. 29, 2006
Applicants:

Atsushi Watakabe, Tokyo, JP;

Susumu Saito, Tokyo, JP;

Adam Luke Safir, Santa Clara, CA (US);

Inventors:

Atsushi Watakabe, Tokyo, JP;

Susumu Saito, Tokyo, JP;

Adam Luke Safir, Santa Clara, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a process for producing a fluoropolymer containing repeating units based on a fluoromonomer represented by the following formula (m) in an amount of from 5 to 50 mol % based on the entire repeating units in the polymer by polymerization reaction of tetrafluoroethylene and the fluoromonomer, wherein the polymerization reaction is carried out by continuously charging the reactor with tetrafluoroethylene and the fluoromonomer: wherein ml is an integer of from 1 to 6. Also provided is an electrolyte material for an electrolyte fuel cell which can be operated at a high temperature to obtain a high output, wherein the electrolyte material contains the fluoropolymer produced by the process.


Find Patent Forward Citations

Watakabe, Atsushi. (2010). Process for producing fluoropolymer (U.S. Patent No. 7790817). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7790817

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