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:
Mar. 03, 2020
Filed:
Aug. 15, 2016
Applicant:
Pall Corporation, Port Washington, NY (US);
Inventors:
Frank Okezie Onyemauwa, Pace, FL (US);
Hassan Ait-Haddou, Melville, NY (US);
Assignee:
Pall Corporation, Port Washington, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 71/32 (2006.01); B01D 67/00 (2006.01); C08F 226/06 (2006.01); B01D 71/80 (2006.01);
U.S. Cl.
CPC ...
B01D 71/32 (2013.01); B01D 67/0013 (2013.01); B01D 71/80 (2013.01); C08F 226/06 (2013.01); B01D 2323/02 (2013.01); B01D 2325/36 (2013.01);
Abstract
Disclosed are a copolymer, porous membranes made from the copolymer, and a method of treating fluids to remove metal ions using the porous membranes, for example, from fluids originating in the microelectronics industry, wherein the copolymer includes monomeric units I and II, wherein monomeric unit I is of the formula A-X—CH—B, wherein A is Rf—(CH)n, Rf is a perfluoro alkyl group of the formula CF—(CF)—, wherein x is 3-12, n is 1-6, X is O or S, and B is vinylphenyl, and monomeric unit II is vinylpyridine.