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. 15, 2016
Filed:
Mar. 15, 2013
Applicants:
Donaldson Company, Inc., Minneapolis, MN (US);
Ahlstrom Corporation, Helsinki, FI;
Inventors:
Kristin M. Amsden, St. Paul, MN (US);
Kevin R. Schouweiler, Madisonville, KY (US);
Assignees:
Donaldson Company, Inc., Minneapolis, MN (US);
Ahlstrom Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); B01D 46/52 (2006.01); B01D 39/18 (2006.01); B01D 39/16 (2006.01);
U.S. Cl.
CPC ...
B01D 46/526 (2013.01); B01D 39/1623 (2013.01); B01D 39/18 (2013.01); B01D 46/0023 (2013.01); B01D 46/525 (2013.01); B01D 2239/064 (2013.01);
Abstract
The present invention is directed, in part, to air filtration media, air filtration media packs, air filtration elements, and methods of making air filtration media, media packs, and filtration elements. The air filtration media typically has a fiber composition that is primarily cellulose fibers, the media having a low solidity and low basis weight and being suitable for forming of structured flutes into the media. In certain embodiments a resin is added such as a solvent based resin.