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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.:

US 9675940 B1

PDFFull Text
Date of Patent:
Jun. 13, 2017

Filed:

Jul. 05, 2012

Curable compositions and membranes

Applicants:

Bastiaan Van Berchum, Tilburg, NL;

Willem Johannes Van Baak, Tilburg, NL;

Jacko Hessing, Tilburg, NL;

Inventors:

Bastiaan Van Berchum, Tilburg, NL;

Willem Johannes Van Baak, Tilburg, NL;

Jacko Hessing, Tilburg, NL;

Assignee:

Fujifilm Manufacturing Europe BV, Netherlands, NL;

Attorney:

Banner & Witcoff, Ltd.

Primary Examiner:

Krishnan S Menon

Assistant Examiner:

Bradley R Spies

Int. Cl.
CPC ...
B01D 71/56 (2006.01); B01D 71/40 (2006.01); B01D 67/00 (2006.01); B01D 61/28 (2006.01); B01D 61/46 (2006.01); C08J 5/22 (2006.01); C02F 1/44 (2006.01); H01M 8/103 (2016.01); B01D 61/36 (2006.01); B01D 61/48 (2006.01); B01J 39/20 (2006.01); B03C 5/02 (2006.01); C02F 1/469 (2006.01); C25B 9/08 (2006.01); C25B 13/08 (2006.01); H01M 8/1032 (2016.01); H01M 8/22 (2006.01); H01M 8/1027 (2016.01); B01D 71/44 (2006.01); B01D 71/48 (2006.01); C08F 222/38 (2006.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
B01D 71/56 (2013.01); B01D 61/28 (2013.01); B01D 61/366 (2013.01); B01D 61/46 (2013.01); B01D 61/485 (2013.01); B01D 67/0006 (2013.01); B01D 71/40 (2013.01); B01J 39/20 (2013.01); B03C 5/02 (2013.01); C02F 1/44 (2013.01); C02F 1/447 (2013.01); C02F 1/4691 (2013.01); C02F 1/4693 (2013.01); C02F 1/4695 (2013.01); C08J 5/2231 (2013.01); C08J 5/2243 (2013.01); C25B 9/08 (2013.01); C25B 13/08 (2013.01); H01M 8/103 (2013.01); H01M 8/1032 (2013.01); H01M 8/227 (2013.01); B01D 71/44 (2013.01); B01D 71/48 (2013.01); B01D 2323/345 (2013.01); B01D 2323/36 (2013.01); B01D 2325/34 (2013.01); B01D 2325/42 (2013.01); C08F 222/385 (2013.01); C08J 2333/26 (2013.01); C08J 2335/00 (2013.01); H01M 8/1027 (2013.01); H01M 2008/1095 (2013.01); H01M 2300/0082 (2013.01);
Abstract

A membrane obtainable from curing a composition comprising: (i) a curable compound comprising at least two (meth)acrylic groups and a sulphonic acid group and having a molecular weight which satisfies the equation: MW<(300+300n) wherein: MW is the molecular weight of the said curable compound; and n has a value of 1, 2, 3 or 4 and is the number of sulphonic acid groups present in the said curable compound; and optionally (ii) a curable compound having one ethylenically unsaturated group; wherein the molar fraction of curable compounds comprising at least two (meth)acrylic groups, relative to the total number of moles of curable compounds present in the composition, is at least 0.25.

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