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:
Nov. 23, 2010
Filed:
Sep. 19, 2005
James M. Larson, Saint Paul, MN (US);
Phat T. Pham, Little Canada, MN (US);
Matthew H. Frey, Cottage Grove, MN (US);
Steven J. Hamrock, Stillwater, MN (US);
Gregory M. Haugen, Edina, MN (US);
William M. Lamanna, Stillwater, MN (US);
James M. Larson, Saint Paul, MN (US);
Phat T. Pham, Little Canada, MN (US);
Matthew H. Frey, Cottage Grove, MN (US);
Steven J. Hamrock, Stillwater, MN (US);
Gregory M. Haugen, Edina, MN (US);
William M. Lamanna, Stillwater, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The present invention is an electrolyte membrane comprising an acid and a basic polymer, where the acid is a low-volatile acid that is fluorinated and is either oligomeric or non-polymeric, and where the basic polymer is protonated by the acid and is stable to hydrolysis.