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:
Dec. 01, 2015
Filed:
Apr. 19, 2013
Applicants:
Basf SE, Ludwigshafen, DE;
National University of Singapore, Singapore, SG;
Inventors:
Martin Weber, Maikammer, DE;
Christian Maletzko, Altrip, DE;
Natalia Widjojo, Singapore, SG;
Peishan Zhong, Singapore, SG;
Tai-Shung Chung, Ann Arbor, MI (US);
Assignees:
BASF SE, Ludwigshafen, DE;
National University of Singapore, Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/00 (2006.01); B01D 71/68 (2006.01); B01D 67/00 (2006.01); B01D 71/82 (2006.01); B01D 61/14 (2006.01);
U.S. Cl.
CPC ...
B01D 71/68 (2013.01); B01D 67/0002 (2013.01); B01D 71/82 (2013.01); B01D 61/145 (2013.01); B01D 2325/14 (2013.01); B01D 2325/34 (2013.01);
Abstract
The present invention is directed to ultrafiltration membranes comprising a membrane substrate layer (S) based on a sulfonated polyaryleneethersulfone polymer and to a method for their preparation. Furthermore, the present invention is directed to ultrafiltration processes making use of said membrane.