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:
Apr. 25, 2017
Filed:
Mar. 31, 2015
Applicant:
Pall Corporation, Port Washington, NY (US);
Inventors:
Khaled Abdel-Hakim Helmy Aamer, Port Washington, NY (US);
Hassan Ait-Haddou, Melville, NY (US);
Assignee:
Pall Corporation, Port Washington, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 71/80 (2006.01); B01D 67/00 (2006.01); B01D 71/44 (2006.01); B01D 71/32 (2006.01); B01D 69/12 (2006.01); B01D 69/10 (2006.01); B01D 71/26 (2006.01);
U.S. Cl.
CPC ...
B01D 69/125 (2013.01); B01D 67/0006 (2013.01); B01D 67/0093 (2013.01); B01D 67/0095 (2013.01); B01D 69/10 (2013.01); B01D 71/26 (2013.01); B01D 71/32 (2013.01); B01D 71/44 (2013.01); B01D 71/80 (2013.01); B01D 2323/02 (2013.01); B01D 2323/30 (2013.01); B01D 2323/345 (2013.01); B01D 2323/36 (2013.01); B01D 2323/40 (2013.01); B01D 2325/36 (2013.01);
Abstract
Disclosed are copolymers suitable for hydrophilically modifying the surface of fluoropolymer porous membranes, for example, a copolymer of the formula: wherein R, n, m, and x are as defined herein. Also disclosed are a method of preparing the copolymers, a method of hydrophilically modifying porous fluoropolymer supports, and composite hydrophilic fluoropolymer porous membranes prepared from the copolymers.