Fire-resistant smoke escape face masks

Details Fire-resistant smoke escape face masks Fire-resistant smoke escape face masks

1993-05-05

1994-06-21

Burr, Edgar S.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820529, 12820125, 12820512, A62B 710

Patent

active

053220609

ABSTRACT:
A fire-resistant face mask is disclosed. The face mask is made of a flexible breathable porous material impregnated with a first solution containing from about 1.8 to about 11.8% by weight ammonium biborate, from about 1.9 to about 6.9% by weight ammonium phosphate, from about 3.7 to about 13.7% by weight ammonium sulfate, from about 0.02 to about 2.0% by weight sodium dodecyl sulfate and from about 92.58 to about 65.6% by weight water; and a second solution containing from about 35% to about 65% by weight lanolin, from about 64.95 to about 30% by weight water and from about 0.05 to about 5.0% by weight lemon fragrance. The mask is breathable and has adsorption capacity for capturing smoke particles, other particulates and for filtering gases. A method of making and using the mask is also disclosed.

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