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:
Oct. 07, 2025
Filed:
Apr. 07, 2021
Applicants:
Nippon Shokubai Co., Ltd., Osaka, JP;
Trevi Systems Inc., Rohnert Park, CA (US);
Inventors:
Assignees:
Nippon Shokubai Co., Ltd., Osaka, JP;
Trevi Systems Inc., Rohnert Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/00 (2006.01); C02F 1/44 (2023.01); C08G 65/08 (2006.01);
U.S. Cl.
CPC ...
B01D 61/005 (2013.01); C02F 1/445 (2013.01); C08G 65/08 (2013.01);
Abstract
A draw solute for the forward osmosis membrane process comprises a random copolymer obtainable by random addition of a monomer containing ethylene oxide and butylene oxide to a compound having one or more hydroxyl groups.