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. 20, 2018
Filed:
Nov. 12, 2010
Applicants:
Seyed A. Angadjivand, Woodbury, MN (US);
Marvin E. Jones, Grant, MN (US);
Philip G. Martin, Forest Lake, MN (US);
John M. Brandner, St. Paul, MN (US);
Inventors:
Seyed A. Angadjivand, Woodbury, MN (US);
Marvin E. Jones, Grant, MN (US);
Philip G. Martin, Forest Lake, MN (US);
John M. Brandner, St. Paul, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B 23/00 (2006.01); A61M 16/06 (2006.01); A62B 23/02 (2006.01); B01D 39/08 (2006.01); B01D 39/16 (2006.01); A41D 13/11 (2006.01);
U.S. Cl.
CPC ...
A62B 23/025 (2013.01); B01D 39/083 (2013.01); B01D 39/1623 (2013.01); A41D 13/1107 (2013.01); A41D 13/1146 (2013.01); B01D 2239/0654 (2013.01); B01D 2239/0681 (2013.01);
Abstract
Reinforced filter media are prepared by adhering discrete, non-intersecting strands of thermoplastic or thermoset materials to the filter media web. The filter media may be a fabric, a nonwoven web or a filtering foam. The reinforced filter media can be used to prepare respirators, including flat-fold respirators or molded respirators.