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:
Nov. 06, 2018
Filed:
Jul. 06, 2016
Applicants:
Markus Ungerank, Perg, AT;
Goetz Baumgarten, Haltern am See, DE;
Inventors:
Markus Ungerank, Perg, AT;
Goetz Baumgarten, Haltern am See, DE;
Assignee:
Evonik Fibres GmbH, Lenzing, AT;
Primary Examiner:
Int. Cl.
CPC ...
B01D 71/64 (2006.01); B01D 67/00 (2006.01); B01D 69/08 (2006.01); B01D 53/22 (2006.01); C08G 73/10 (2006.01); C08L 79/08 (2006.01);
U.S. Cl.
CPC ...
B01D 71/64 (2013.01); B01D 53/228 (2013.01); B01D 67/0009 (2013.01); B01D 67/0011 (2013.01); B01D 67/0013 (2013.01); B01D 69/087 (2013.01); C08G 73/1042 (2013.01); C08G 73/1067 (2013.01); C08L 79/08 (2013.01); B01D 2323/18 (2013.01); B01D 2325/022 (2013.01);
Abstract
The invention relates to polyimide membranes and to a phase inversion method for the production thereof. The polyimide membranes can be used to separate different gas mixtures.