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:
Jan. 10, 2012
Filed:
Nov. 19, 2009
Applicants:
Matthew H. Frey, Cottage Grove, MN (US);
Steven J. Hamrock, Stillwater, MN (US);
Gregory M. Haugen, Edina, MN (US);
Phat T. Pham, Little Canada, MN (US);
Inventors:
Matthew H. Frey, Cottage Grove, MN (US);
Steven J. Hamrock, Stillwater, MN (US);
Gregory M. Haugen, Edina, MN (US);
Phat T. Pham, Little Canada, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Fuel cell membrane electrode assemblies and fuel cell polymer electrolyte membranes are provided comprising manganese oxides which demonstrate increased durability. Methods of making same are provided.