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:
Jun. 11, 2019
Filed:
Oct. 28, 2016
Applicant:
Carl Freudenberg KG, Weinheim, DE;
Inventors:
Assignee:
CARL FREUDENBERG KG, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); B01D 24/00 (2006.01); B01D 39/16 (2006.01); A61L 9/00 (2006.01); B01D 46/52 (2006.01);
U.S. Cl.
CPC ...
B01D 46/0028 (2013.01); A61L 9/00 (2013.01); B01D 24/00 (2013.01); B01D 24/007 (2013.01); B01D 39/1623 (2013.01); B01D 46/0036 (2013.01); B01D 46/0038 (2013.01); B01D 46/521 (2013.01); A61L 2209/14 (2013.01); A61L 2209/22 (2013.01); B01D 2239/0407 (2013.01); B01D 2239/0442 (2013.01); B01D 2239/065 (2013.01); B01D 2279/40 (2013.01); B01D 2279/50 (2013.01);
Abstract
Filter medium, comprising at least one acid-functionalized layer, characterized in that the acid-functionalized layer has a first acid with a pks 1 value of 0 to 7 and a C8 to C18 fatty acid as the second acid.