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. 13, 2015
Filed:
Jun. 16, 2010
Applicant:
Robert S. Zeller, Boston, MA (US);
Inventor:
Robert S. Zeller, Boston, MA (US);
Assignee:
Entegris, Inc., Billerica, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/20 (2006.01); B01D 39/00 (2006.01); B01D 39/06 (2006.01); B01D 24/00 (2006.01); B01D 39/14 (2006.01); B01D 53/22 (2006.01); B01D 59/12 (2006.01); B32B 3/26 (2006.01); B01D 71/02 (2006.01); B01D 67/00 (2006.01); B22F 1/00 (2006.01); B22F 3/11 (2006.01);
U.S. Cl.
CPC ...
B01D 71/022 (2013.01); B01D 67/0041 (2013.01); B22F 1/0014 (2013.01); B22F 3/1103 (2013.01); B22F 2999/00 (2013.01); B01D 2325/02 (2013.01); B01D 2325/04 (2013.01); B01D 2325/24 (2013.01);
Abstract
A porous membrane, comprising a blend of a first powder of metal particles of the first average size and a second powder of metal particles of a second average size, the first powder and the second powder sintered together. The first average size is five to fifty times greater than the second average size. The porous membrane comprises from 40% to 60% by weight of the first powder.