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. 21, 2010
Filed:
Apr. 16, 2004
Richard P. Merry, St. Paul, MN (US);
Richard P. Merry, St. Paul, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The present invention provides a mounting mat () for mounting a pollution control monolith () in a pollution control device (). The mounting mat has a bulk density of 0.12 to 0.3 g/cmand comprises (i) a layer of chopped magnesium aluminium silicate glass fibers and (ii) a layer of ceramic fibers obtainable from a sol-gel process. Preferably, the layer of chopped magnesium aluminium silicate glass fibers and the layer of ceramic fibers define opposite major surfaces of the mat. The present invention further provides a pollution control device (), comprising a pollution control monolith () arranged in a metallic casing () with the mounting mat () disposed between the metallic casing () and pollution control monolith ().