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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 11525034 B1

PDFFull Text
Date of Patent:
Dec. 13, 2022

Filed:

Jul. 31, 2020

Sulfonated poly(arylene ether) membranes with high monovalent salt rejection even in the presence of mixed salt feeds that contain multivalent salts

Applicants:

Board of Regents, the University of Texas System, Austin, TX (US);

Virginia Tech Intellectual Properties, Inc., Blacksburg, VA (US);

Inventors:

Judy S. Riffle, Blacksburg, VA (US);

Ozma R. Lane, Blacksburg, VA (US);

Amin Daryaei, Blacksburg, VA (US);

Shreya Roy-Choudhury, Blacksburg, VA (US);

Benny D. Freeman, Austin, TX (US);

Eui Soung Jang, Austin, TX (US);

Gurtej S. Narang, Blacksburg, VA (US);

John J. Lesko, Blacksburg, VA (US);

Trevor Schumacher, Blacksburg, VA (US);

Assignees:

Board of Regents, The University of Texas System, Austin, TX (US);

Virginia Tech Intellectual Properties, Inc., Blacksburg, VA (US);

Attorney:

Kilpatrick Townsend & Stockton LLP

Primary Examiner:

Bradley R Spies

Int. Cl.
CPC ...
B01D 67/00 (2006.01); B01D 69/02 (2006.01); B01D 71/82 (2006.01); C02F 101/12 (2006.01); C08G 65/40 (2006.01); C08G 65/48 (2006.01); B01D 61/02 (2006.01); C02F 1/44 (2006.01);
U.S. Cl.
CPC ...
C08G 65/485 (2013.01); B01D 61/025 (2013.01); B01D 67/0006 (2013.01); B01D 69/02 (2013.01); B01D 71/82 (2013.01); C02F 1/441 (2013.01); C08G 65/4025 (2013.01); C08G 65/4056 (2013.01); B01D 2323/30 (2013.01); B01D 2323/34 (2013.01); B01D 2325/14 (2013.01); B01D 2325/20 (2013.01); C02F 2101/12 (2013.01); C02F 2303/04 (2013.01);
Abstract

Described herein are water desalination membranes and methods of desalinating water. Sulfonated poly(arylene ether) polymers are also disclosed, including those comprising one or more sulfonate groups at various points along the polymer chain. The polymers may be used as at least a portion of a water desalination membrane. The polymers described herein are useful for preventing transport of aqueous ionic species (e.g., Naand Cl) across a membrane made from the polymers while allowing water to pass. Chlorine-stable polymers are described, as well as polymers exhibiting good performance for rejecting monovalent cations in the presence of polyvalent cations.

Find Patent Forward Citations

Quick Actions:

Riffle, Judy. (2022). Sulfonated poly(arylene ether) membranes with high monovalent salt rejection even in the presence of mixed salt feeds that contain multivalent salts (U.S. Patent No. 11525034). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11525034

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