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:
Jul. 29, 2025
Filed:
Mar. 25, 2020
Applicant:
Revive Environmental Technology, Llc, Columbus, OH (US);
Inventors:
Ryan R. James, Columbus, OH (US);
Kavitha Dasu, Powell, OH (US);
Dinusha Siriwardena, Columbus, OH (US);
Franco Pala, Rockland, MA (US);
Ramona Darlington Iery, Columbus, OH (US);
Assignee:
Revive Environmental Technology, LLC, Columbus, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/34 (2006.01); B01J 20/20 (2006.01); B01J 20/30 (2006.01); C02F 1/28 (2023.01); C02F 101/36 (2006.01); C02F 103/06 (2006.01);
U.S. Cl.
CPC ...
B01J 20/3475 (2013.01); B01J 20/20 (2013.01); B01J 20/3028 (2013.01); B01J 20/3416 (2013.01); C02F 1/283 (2013.01); C02F 2101/36 (2013.01); C02F 2101/40 (2013.01); C02F 2103/06 (2013.01); C02F 2303/16 (2013.01);
Abstract
The invention provides methods for regenerating activated carbon that have been used in absorbing per- and polyfluoroalkyl substances (PFAS) in aqueous solution. In these methods, the activated carbon is treated with a solution of base in alcohol, which has been found to impart superior properties to the activated carbon.