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:
Apr. 29, 2025
Filed:
Dec. 23, 2015
Applicant:
O&m Halyard, Inc., Mechanicsville, VA (US);
Inventor:
Ajay Y. Houde, Johns Creek, GA (US);
Assignee:
O&M Halyard, Inc., Mechanicsville, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A41D 13/11 (2005.12); A62B 23/02 (2005.12); B01D 39/16 (2005.12); B32B 5/02 (2005.12); B32B 5/26 (2005.12); D04H 3/005 (2011.12);
U.S. Cl.
CPC ...
A41D 13/1123 (2012.12); A41D 13/11 (2012.12); A62B 23/025 (2012.12); B01D 39/1623 (2012.12); B32B 5/022 (2012.12); B32B 5/26 (2012.12); A41D 2400/52 (2012.12); A41D 2500/30 (2012.12); A41D 2500/52 (2012.12); B01D 2239/0618 (2012.12); B01D 2239/0622 (2012.12); B01D 2239/0627 (2012.12); B01D 2239/065 (2012.12); B32B 2250/20 (2012.12); B32B 2250/24 (2012.12); B32B 2250/40 (2012.12); B32B 2262/0253 (2012.12); D04H 3/005 (2012.12); D10B 2401/041 (2012.12);
Abstract
A disposable facemask is provided having a filter body with an opening sized to cover the nose and mouth of a wearer. The filter body further includes an outer mask layer and an inner mask layer, and one or more intermediate layers disposed between the outer and inner mask layers. At least one of the intermediate layers is a nonwoven web layer including thermoplastic filaments formed from a random copolymer, or a random copolymer blended with a homopolymer.