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:
Aug. 25, 2020
Filed:
Dec. 18, 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 ...
F01N 3/24 (2006.01); F01N 3/28 (2006.01); B23K 26/40 (2014.01);
U.S. Cl.
CPC ...
F01N 3/2803 (2013.01); B23K 26/40 (2013.01); F01N 3/2853 (2013.01);
Abstract
Mat () for mounting a pollution control element in a housing, comprising inorganic fibre material. At an edge surface () of the mat a plurality of fibres () are heat fused to form fusion volumes (). The average number of fusion volumes per square millimetre of the edge surface is at least 100, and at least 80% of the fusion volumes have a projected size of between 10 μm and 100 μm.