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. 11, 2019
Filed:
Jul. 31, 2015
Applicant:
Pall Corporation, Port Washington, NY (US);
Inventors:
Marcin Stasiak, Port Washington, NY (US);
Hassan Ait-Haddou, Melville, NY (US);
Frank O. Onyemauwa, Pace, FL (US);
Amarnauth Singh, Seldon, NY (US);
Assignee:
Pall Corporation, Port Washington, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 67/00 (2006.01); B01D 71/36 (2006.01); B01D 71/52 (2006.01); B01D 71/76 (2006.01);
U.S. Cl.
CPC ...
B01D 71/36 (2013.01); B01D 67/0027 (2013.01); B01D 67/0083 (2013.01); B01D 67/0093 (2013.01); B01D 71/52 (2013.01); B01D 71/76 (2013.01); B01D 2323/02 (2013.01); B01D 2325/36 (2013.01);
Abstract
Disclosed are hydrophilic porous PTFE membranes comprising PTFE and an amphiphilic copolymer of the formula (I): wherein Rf, Rh, Rh, Y, m, n, and o are as described herein. Also disclosed are a method of preparing hydrophilic porous PTFE membranes and a method of filtering fluids through such membranes.