Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1985-05-07
1987-06-30
McCamish, Marion C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428283, 428323, 428408, A61L 1500
Patent
active
046770194
ABSTRACT:
A material for protection against chemical pollutants is produced by spraying onto a base fabric a mixture of activated carbon and a polymer binder to produce an open-pored foam structure which does not materially reduce the air permeability. The binder is permeable to the pollutant so the latter can reach the carbon, and the binder is less than 20% of the coating.
REFERENCES:
patent: 4454191 (1984-06-01), von Blucher et al.
patent: 4455187 (1984-06-01), von Blucher et al.
patent: 4510193 (1985-04-01), von Blucher et al.
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