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. 26, 2020
Filed:
Aug. 16, 2017
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/4218 (2012.01); D04H 5/12 (2012.01); D04H 1/4382 (2012.01); D04H 1/4209 (2012.01); D04H 1/46 (2012.01); D04H 5/02 (2012.01); D04H 13/00 (2006.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
D04H 1/4218 (2013.01); D04H 1/4209 (2013.01); D04H 1/4382 (2013.01); D04H 1/46 (2013.01); D04H 5/02 (2013.01); D04H 5/12 (2013.01); D04H 13/00 (2013.01); F01N 3/2864 (2013.01); F01N 3/2853 (2013.01); Y10T 156/10 (2015.01); Y10T 156/1062 (2015.01); Y10T 428/26 (2015.01);
Abstract
The present invention provides a mounting mat for mounting a pollution control element or monolith in a pollution control device, said mounting mat comprising a layer having a mixture of long and short fibers wherein said short fibers have a length of not more than about 13 mm and wherein said long fibers have a length of at least about 20 mm and wherein the amount of said short fibers is at least about 3% by weight based on the total weight of said mixture of long and short fibers.