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. 25, 2016
Filed:
Aug. 13, 2009
Applicants:
Manfred Hoelzl, Burghausen, DE;
Frauke Kirschbaum, Munich, DE;
Inventors:
Manfred Hoelzl, Burghausen, DE;
Frauke Kirschbaum, Munich, DE;
Assignee:
Wacker Chemie AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 71/06 (2006.01); B01D 71/70 (2006.01); B01D 69/02 (2006.01); B01D 69/12 (2006.01); B01D 71/76 (2006.01); B01D 71/54 (2006.01); B01D 71/56 (2006.01);
U.S. Cl.
CPC ...
B01D 71/06 (2013.01); B01D 69/02 (2013.01); B01D 69/12 (2013.01); B01D 71/76 (2013.01); B01D 71/54 (2013.01); B01D 71/56 (2013.01); B01D 71/70 (2013.01);
Abstract
The object of the invention is porous membranes (M) comprising organopolysiloxane/polyurea/polyurethane/polyamide/polyoxalyl diamine copolymers of the general formula (1), where R, X, Y, D, E, F, B, B', m, n, a, b, c and d have the meanings indicated in claim, with the proviso that at least 10% of the Rgroups present in structural elements E, F and bound to nitrogen indicate hydrogen, and a method for the production of the membranes (M) and use thereof for separating material mixtures.