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. 28, 2020
Filed:
Mar. 10, 2014
Applicant:
National University of Singapore, Singapore, SG;
Inventors:
Yee Kang Ong, Singapore, SG;
Tai-Shung Chung, Singapore, SG;
Assignee:
National University of Singapore, Singapore, SG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 71/68 (2006.01); B01D 69/08 (2006.01); B01D 71/34 (2006.01); B01D 71/64 (2006.01); B01D 71/16 (2006.01); B01D 71/50 (2006.01); D01D 5/24 (2006.01); B01D 61/36 (2006.01); B01D 71/58 (2006.01); B01D 71/52 (2006.01);
U.S. Cl.
CPC ...
B01D 71/68 (2013.01); B01D 69/088 (2013.01); B01D 71/16 (2013.01); B01D 71/34 (2013.01); B01D 71/50 (2013.01); B01D 71/52 (2013.01); B01D 71/58 (2013.01); B01D 71/64 (2013.01); D01D 5/24 (2013.01); B01D 61/362 (2013.01);
Abstract
Disclosed is a hollow fiber that contains an outer layer made of a first polymer and an inner layer made of a second polymer, the inner layer including at its outer surface a macrovoid-free thin interface sublayer in contact with the inner surface of the outer layer. The first polymer is immiscible with the second polymer. Also disclosed is a process of preparing the above-described hollow fiber.