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. 09, 2010
Filed:
Aug. 07, 2007
Bradley W. Eaton, Woodbury, MN (US);
William J. Feil, Iii, Woodbury, MN (US);
Torrence B. Stahl, White Bear Lake, MN (US);
Thund Y. Watt, Farmington, MN (US);
Mark W. Schimmel, Andover, CT (US);
Bradley W. Eaton, Woodbury, MN (US);
William J. Feil, III, Woodbury, MN (US);
Torrence B. Stahl, White Bear Lake, MN (US);
Thund Y. Watt, Farmington, MN (US);
Mark W. Schimmel, Andover, CT (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Provided are filter elements and methods of making and using the same where the filter elements are suitable for liquid filtration and contain particle-loaded meltblown fiber webs. A filter element comprises: a porous article comprising a web of self-supporting nonwoven polymeric fibers and a plurality of sorbent particles enmeshed in the web, the article comprising a first surface and a second surface; a liquid-impermeable housing surrounding the porous article; an inlet in fluid communication with the first surface; and an outlet in fluid communication with the second surface. Spiral-wound webs, web-covered blocks, and stacked disks of webs are also provided.