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:
May. 21, 2019
Filed:
Jun. 27, 2014
Applicant:
Ahlstrom Corporation, Helsinki, FI;
Inventors:
Assignee:
Ahlstrom-Munksjö Oyj, Helsinki, FI;
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/02 (2006.01); B01D 39/14 (2006.01); B01D 39/16 (2006.01); B01D 39/20 (2006.01);
U.S. Cl.
CPC ...
B01D 39/14 (2013.01); B01D 39/1623 (2013.01); B01D 39/2017 (2013.01); B01D 39/2024 (2013.01); B01D 2239/0636 (2013.01); B01D 2239/0654 (2013.01); B01D 2239/0681 (2013.01); B01D 2239/1233 (2013.01);
Abstract
The present invention relates to a filter medium comprising a substrate and a fine fiber layer on top of the substrate, wherein the substrate comprises