Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1981-06-05
1982-11-09
McCamish, Marion
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428289, 428408, 428688, 428921, 428922, D04H 158
Patent
active
043585043
ABSTRACT:
A fibrous web containing activated carbon is rendered flame retardant without substantially reducing its adsorption efficiency by treating the carbon containing web with about 5-20% by weight of a basic ammonium phosphate.
REFERENCES:
patent: 3342627 (1967-09-01), Paxton et al.
patent: 3708317 (1973-01-01), Owen et al.
Gadbois Gerald W.
Sutherland Peter D.
McCamish Marion
The Dexter Corporation
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