Chemical retardants for forest fires

Details Chemical retardants for forest fires Chemical retardants for forest fires

1979-06-14

1981-06-09

Lovering, Richard D.

Compositions

Fire retarding

Having disparate function

106 1412, 106 1434, 106 1435, 252 2, 252 805, 252601, 252607, C09D 518, C09K 328

Patent

active

042724147

ABSTRACT:
Fire retardant compositions comprising (a) ammonium sulfate; (b) a carboxyalkyl or hydroxyalkyl ether of a polygalactomannan; and optionally (c) other fire retardant chemicals from the groups consisting of monoammonium orthophosphate, diammonium orthophosphate; monoammonium pyrophosphate; diammonium pyrophosphate; triammonium pyrophosphate; tetraammonium pyrophosphate; ammonium, substituted ammonium, amide and melamine polyphosphates; ammonium-alkali metal mixed salts of ortho-, pyro- and polyphosphates; ammonium-alkaline earth metal mixed salts of ortho-, pyro- and polyphosphates; and mixtures thereof. There are disclosed both aqueous forms and concentrated non-aqueous forms of the compositions which are particularly useful for preventing, extinguishing and suppressing forest fires.

REFERENCES:
patent: 1030909 (1912-07-01), Mesturino
patent: 3326890 (1967-06-01), Engelskirchen et al.
patent: 3345289 (1967-10-01), Freifeld et al.
patent: 3409550 (1968-11-01), Gould
patent: 3808195 (1974-04-01), Shelso et al.
patent: 4101485 (1978-07-01), Brooks et al.

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