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. 15, 2020
Filed:
Dec. 06, 2016
Applicant:
Eth Zurich, Zurich, CH;
Inventors:
Wendelin Jan Stark, Langenthal, CH;
Mario Stucki, Zurich, CH;
Assignee:
ETH Zurich, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06N 3/00 (2006.01); B01D 67/00 (2006.01); C08J 9/26 (2006.01);
U.S. Cl.
CPC ...
D06N 3/0052 (2013.01); B01D 67/003 (2013.01); C08J 9/26 (2013.01); C08J 2375/08 (2013.01); D06N 2209/123 (2013.01); D06N 2209/128 (2013.01); D06N 2211/10 (2013.01);
Abstract
The invention relates to manufacturing processes for waterproof and breathable porous polymer membranes by coating a substrate with a dispersion comprising polymer, coated particles and diluent and removing the particles by dissolution, wherein the particles are made of organic salts, metal salts or metal oxides and the coating material is selected from carboxylic acids and alkoxy silanes. The invention further relates to dispersions to obtain such membranes, to polymer membranes obtained, to shaped articles containing such membranes; to the use of such membranes, shaped articles and intermediates.