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. 15, 2025
Filed:
Jan. 29, 2021
Applicant:
National University of Singapore, Singapore, SG;
Inventors:
Guimin Shi, Singapore, SG;
Tai-Shung Neal Chung, Singapore, SG;
Assignee:
NATIONAL UNIVERSITY OF SINGAPORE, Singapore, SG;
Primary Examiner:
Int. Cl.
CPC ...
B01D 71/36 (2006.01); B01D 61/36 (2006.01); B01D 67/00 (2006.01); B01D 69/02 (2006.01); B01D 69/10 (2006.01); B01D 69/12 (2006.01); B01D 71/26 (2006.01);
U.S. Cl.
CPC ...
B01D 71/36 (2013.01); B01D 61/362 (2013.01); B01D 61/363 (2022.08); B01D 67/0002 (2013.01); B01D 67/0095 (2013.01); B01D 69/02 (2013.01); B01D 69/105 (2013.01); B01D 69/106 (2022.08); B01D 69/107 (2022.08); B01D 69/1216 (2022.08); B01D 71/261 (2022.08); B01D 2323/12 (2013.01); B01D 2323/219 (2022.08); B01D 2323/46 (2013.01); B01D 2323/50 (2013.01); B01D 2325/04 (2013.01); B01D 2325/06 (2013.01); B01D 2325/20 (2013.01); B01D 2325/38 (2013.01);
Abstract
The present invention relates, in general terms, to a composite membrane for use in filtration. The present invention also relates to a method of fabricating the composite membrane, and a method of filtrating using the composite membrane as disclosed herein. The method of fabricating a composite membrane comprising contacting a perfluorinated polymer solution with a surface of a polymer layer and drying the perfluorinated polymer solution at a relative humidity of less than 20% to form a perfluorinated polymer layer physisorbed on the surface of the polymer layer.