Face Mask

• US 20080092909A1
• Filed: 09/20/2005
• Published: 04/24/2008
• Est. Priority Date: 09/20/2004
• Status: Active Grant

• Current Assignee: Sutter Bay Hospitals
• Original Assignee: California Pacific Medical Center (Sutter Health)
• Inventors: Hahne, Jeanne
• Granted Patent: US 7,802,572 B2
• Time in Patent Office: Days
• US Class Current: 128/863
• CPC Class Codes: A41D 13/1192 with antimicrobial agent

Abstract

A medical face mask comprising a central transparent portion, an outer filter portion and, optionally, one or more antimicrobial agents is described.

Claims

1. A face mask comprising

(a) a transparent central portion;

(b) an outer portion surrounding and secured to the central transparent portion;

(c) a head strap affixed to the outer portion or transparent portion; and

(d) one or more antimicrobial agents.

2. The face mask of claim 1, wherein the central portion of the mask is adapted to be positioned over the nose and mouth of the wearer.

3. The face mask of claim 1, wherein the head strap is affixed to the outer portion at two locations.

4. The face mask of claim 1, wherein the central portion is air-impermeable.

5. The face mask of any one of claims 1-4 wherein the central portion is a plastic preformed into an arcuate configuration.

6. The face mask of claim 1, wherein the central portion is a pliable plastic sheet material.

7. The face mask of claim 1, wherein the antimicrobial agent is coated onto the central portion and/or the outer portion.

8. The face mask of claim 1, wherein the antimicrobial agent is embedded into the central portion and/or the outer portion.

9. The face mask of claim 1, wherein the antimicrobial agent is selected from the group consisting of biquanides, phenols, phenol derivatives, isothiazolones, metals, ammoniums, alcohols and combinations thereof.

10. The face mask of claim 9, wherein the antimicrobial agent comprises triclosan.

11. A face mask comprising

(a) a transparent central air-impermeable portion adapted to be positioned over the nose and mouth of the wearer, wherein the central portion is a plastic preformed into an arcuate configuration;

(b) an outer portion surrounding and secured to the central transparent portion;

(c) a head strap affixed to the outer portion at two locations; and

(d) one or more antimicrobial agents.

12. The face mask of claim 11, wherein the antimicrobial agent is selected from the group consisting of biquanides, phenols, phenol derivatives, isothiazolones, metals, ammoniums, alcohols and combinations thereof.

13. The face mask of claim 12, wherein the antimicrobial agent comprises triclosan.

14. The face mask of claim 11, wherein the antimicrobial agent is coated onto the central portion and/or the outer portion.

15. The face mask of claim 11, wherein the antimicrobial agent is embedded into the central portion and/or the outer portion.