Fire-extinguishing or fire-preventive composition

Details Fire-extinguishing or fire-preventive composition Fire-extinguishing or fire-preventive composition

1979-05-23

1981-11-10

Lovering, Richard D.

Compositions

Fire-extinguishing

252 7, 252607, A62D 100, C09K 328

Patent

active

042997089

ABSTRACT:
A fire extinguishing or fire preventing composition comprising sawdust combined with a dry coloring material which reacts with the sawdust at elevated temperature to improve the fire extinguishing properties. In one form the coloring material comprises a transition metal compound such as ferric oxide Fe.sub.2 O.sub.3 which forms complexes with glucose units derived from the cellulose in sawdust. In another form the coloring material is organic, for example, an azo-compound which forms a complex with the cellulose in the sawdust, and this also improves the fire extinguishing properties.

REFERENCES:
patent: 958007 (1910-05-01), Porteus
patent: 2385500 (1945-09-01), Fasold et al.
patent: 2388014 (1945-10-01), Sargent et al.
patent: 2692861 (1954-10-01), Weeks
patent: 3925007 (1975-12-01), Gurtler

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