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. 01, 2018
Filed:
Aug. 13, 2014
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A62C 2/00 (2006.01); A62C 2/06 (2006.01); D04H 1/4209 (2012.01); D21H 13/38 (2006.01); F16L 5/04 (2006.01); F16L 57/04 (2006.01); F16L 59/14 (2006.01); D04H 1/732 (2012.01);
U.S. Cl.
CPC ...
A62C 2/06 (2013.01); D04H 1/4209 (2013.01); D04H 1/732 (2013.01); D21H 13/38 (2013.01); F16L 5/04 (2013.01); F16L 57/04 (2013.01); F16L 59/145 (2013.01);
Abstract
Gravity-laid inorganic fiber webs and methods of making and using are disclosed. The gravity-laying process comprises mechanically separating inorganic fibers and collecting the fibers as a web, and may comprise blending of multiple types of inorganic fibers and/or blending of inorganic particulate additives with the fibers.