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:
Jun. 22, 2010
Filed:
Apr. 20, 2006
Dennis P. O'brien, Maplewood, MN (US);
Alison K. Schmoeckel, Stillwater, MN (US);
George D. Vernstrom, Cottage Grove, MN (US);
Radoslav Atanasoski, Edine, MN (US);
Thomas E. Wood, Stillwater, MN (US);
David G. O'neill, Lake Elmo, MN (US);
Dennis P. O'Brien, Maplewood, MN (US);
Alison K. Schmoeckel, Stillwater, MN (US);
George D. Vernstrom, Cottage Grove, MN (US);
Radoslav Atanasoski, Edine, MN (US);
Thomas E. Wood, Stillwater, MN (US);
David G. O'Neill, Lake Elmo, MN (US);
3M Innovative Properties Company, Saint Paul, MN (US);
Abstract
Methods are provided for making oxygen-reducing catalyst layers, which include simultaneous or sequential stops of physical vapor depositing an oxygen-reducing catalytic material onto a substrate, the catalytic material comprising a transition metal that is substantially free of platinum; and thermally treating the catalytic material. At least one of the physical vapor deposition and the thermal treatment is performed in a processing environment comprising a nitrogen-containing gas.