Chemical retardants for forest fires

Details Chemical retardants for forest fires Chemical retardants for forest fires

A - Human Necessities

62

D

31/6

A62D 1/00 (2006.01)

Patent

CA 1107047

43-4477A CHEMICAL RETARDANTS FOR FOREST FIRES 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 group consisting of monoammonium orthophosphate; diammonium orthophosphate; monoammonium pyrophosphate, diammonium pyrophosphate; triammonium pyrophosphate; tetra-ammonium pyrophosphate; ammonium, substituted ammonium, amide and melamine poly- phosphates; 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 is disclosed both aqueous forms and concentrated non-aqueous forms of the compositions which are particularly useful for preventing, extin- guishing and suppressing forest fires.

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