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, 2015
Filed:
Nov. 06, 2012
Applicant:
Lydall, Inc., Manchester, CT (US);
Inventors:
Herve Le Port, Vannes, FR;
Guillaume Moreau, Thonon les Bains, FR;
Assignee:
LYDALL, INC., Manchester, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); B01D 39/08 (2006.01); B01D 39/16 (2006.01); B01D 39/20 (2006.01);
U.S. Cl.
CPC ...
B01D 39/08 (2013.01); B01D 39/163 (2013.01); B01D 39/2024 (2013.01); B01D 2239/025 (2013.01); B01D 2239/0636 (2013.01); B01D 2239/1233 (2013.01);
Abstract
Nonwoven filter media with an alpha value greater than about 13 generally includes a plurality of large diameter fibers, a plurality of ultrafine diameter fibers, and a binder. The large diameter fibers have an average diameter of greater than about 6 microns and make up more than about 60% by weight of the fiber web. The ultrafine diameter fibers have an average diameter of less than about 1 micron. Also disclosed is a method of manufacturing a filter media.