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:
Feb. 15, 2022
Filed:
Nov. 21, 2016
Applicant:
Applied Biomimetic A/s, Nordborg, DK;
Inventors:
Mariusz Piotr Grzelakowski, Cincinnati, OH (US);
Yan Zhang, Cincinnati, OH (US);
Assignee:
APPLIED BIOMIMETIC A/S, Nordberg, DK;
Primary Examiner:
Int. Cl.
CPC ...
B01D 67/00 (2006.01); C08L 81/06 (2006.01); B01D 71/52 (2006.01); B01D 69/02 (2006.01); B01D 71/34 (2006.01); B01D 71/68 (2006.01); B29C 41/30 (2006.01); C08J 5/18 (2006.01); B29K 27/00 (2006.01); B29K 81/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B01D 67/0013 (2013.01); B01D 67/0011 (2013.01); B01D 67/0016 (2013.01); B01D 67/0088 (2013.01); B01D 69/02 (2013.01); B01D 71/34 (2013.01); B01D 71/52 (2013.01); B01D 71/68 (2013.01); B29C 41/30 (2013.01); C08J 5/18 (2013.01); C08L 81/06 (2013.01); B01D 2323/12 (2013.01); B01D 2323/18 (2013.01); B01D 2325/34 (2013.01); B29K 2027/16 (2013.01); B29K 2081/06 (2013.01); B29L 2031/755 (2013.01); C08G 2650/50 (2013.01); C08J 2381/06 (2013.01); C08J 2471/02 (2013.01);
Abstract
A method of preparing a membrane comprising the steps of: a) mixing together a membrane-forming polymer, a water-soluble polyetheramine, and a solvent, said mixture containing no component which will react chemically with the polyetheramine; and b) casting said mixture to form the polymer into a solid membrane.