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:
Aug. 19, 2014
Filed:
Sep. 10, 2010
Applicant:
John E. Bacino, Landenburg, PA (US);
Inventor:
John E. Bacino, Landenburg, PA (US);
Assignee:
W. L. Gore & Associates, Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/26 (2006.01); B32B 5/22 (2006.01); B32B 27/32 (2006.01); B32B 3/10 (2006.01); B01D 69/12 (2006.01); B32B 1/08 (2006.01); B01D 67/00 (2006.01); B01D 71/32 (2006.01); B01D 71/36 (2006.01);
U.S. Cl.
CPC ...
B01D 69/12 (2013.01); B32B 27/322 (2013.01); B32B 3/10 (2013.01); B32B 2305/026 (2013.01); B32B 5/22 (2013.01); B01D 2325/08 (2013.01); B32B 3/26 (2013.01); B01D 67/0004 (2013.01); B01D 67/0088 (2013.01); B01D 71/32 (2013.01); B01D 71/36 (2013.01); B32B 2597/00 (2013.01); B32B 1/08 (2013.01);
Abstract
Porous articles having an expanded fluoropolymer and a coherent irregular network are described. In one embodiment, the coherent irregular network is attached to the expanded fluoropolymer at only a portion of the adjacent region. In another aspect of the invention the coherent irregular network is a free standing film. The coherent irregular network in one embodiment has a surface roughness defined by an Sp value of greater than 35 um.