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:
Aug. 25, 2026
Filed:
Apr. 06, 2021
Applicant:
Brown University, Providence, RI (US);
Inventors:
Kurt Pennell, Waban, MA (US);
Chen Liu, Providence, RI (US);
Assignee:
Brown University, Providence, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 47/018 (2017.01); B01D 15/36 (2006.01); B01J 41/05 (2017.01); B01J 41/07 (2017.01); B01J 41/12 (2017.01); C02F 1/42 (2023.01); C02F 1/54 (2023.01); C02F 1/56 (2023.01); C02F 101/36 (2006.01);
U.S. Cl.
CPC ...
B01J 47/018 (2017.01); B01D 15/361 (2013.01); B01J 41/05 (2017.01); B01J 41/07 (2017.01); B01J 41/12 (2013.01); C02F 1/42 (2013.01); C02F 1/547 (2013.01); C02F 1/56 (2013.01); C02F 2001/422 (2013.01); C02F 2101/36 (2013.01);
Abstract
This invention relates to an aqueous composition comprising, (a) an ion-exchange resin (IXR) comprising microporous beads having a particle size ranging from about 200 um to about 1000 um; (b) a water soluble surfactant having a molecular weight ranging from about 7,500 to about 15,000 Da; and (c) a buffer component; wherein the pH of the aqueous composition ranges from about 5 to about 8, and a process for isolating chemical contaminants using the aqueous composition.