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:
Oct. 27, 2009
Filed:
Mar. 29, 2005
Applicants:
Joseph W. Frisk, Oakdale, MN (US);
Wayne M. Boand, Line Lakes, MN (US);
Inventors:
Joseph W. Frisk, Oakdale, MN (US);
Wayne M. Boand, Line Lakes, MN (US);
Assignee:
3M Innovative Properties Company, Saint Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/20 (2006.01); H01M 8/10 (2006.01); H01M 6/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is a microlayer for use with an electrically conductive porous substrate of a gas diffusion layer. The microlayer includes carbon particles and a polymeric composition of first highly-fluorinated polymers that are non-melt processable and second highly-fluorinated polymers that are melt processable.