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. 29, 2023
Filed:
Dec. 31, 2019
Applicant:
Industrial Technology Research Institute, Hsinchu, TW;
Inventors:
Hao Xiang Xu, Ershui Township, TW;
Po-I Liu, Kaohsiung, TW;
Min-Chao Chang, Hsinchu, TW;
Hsin Shao, Zhubei, TW;
Ren-Yang Horng, Hsinchu, TW;
Teh-Ming Liang, Tainan, TW;
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 1/60 (2006.01); C11D 1/62 (2006.01); C11D 1/04 (2006.01); B01D 65/02 (2006.01); C11D 1/12 (2006.01);
U.S. Cl.
CPC ...
B01D 65/02 (2013.01); C11D 1/04 (2013.01); C11D 1/12 (2013.01); C11D 1/60 (2013.01); C11D 1/62 (2013.01); B01D 2321/168 (2013.01); B01D 2321/28 (2013.01);
Abstract
A method for cleaning membrane is provided. The method includes, providing a membrane, introducing a thermo-sensitive ionic liquid to contact the membrane and perform a cleaning procedure to collect a cleaning solution, and layering the cleaning solution to form an aqueous layer and an ionic liquid layer at a specific temperature.