Patent ID: 6352648
Filing Date: 2002-03-05
Classification: A62D

Abstract:
A halogenated fire extinguishing flooding product comprising:(a) about 90% to 99.5% wt. of at least one partially halogenated hydrocarbon fire extinguishant selected from the group consisting of: hydrofluorocarbon.23â€”trifluoromethane, hydrofluorocarbon.125â€”pentafluoroethane, hydrofluorocarbon.134a â€”1,1,1,2-tetrafluoroethane, hydrofluorocarbon.227â€”heptafluoropropane, hydrofluorocarbon.236â€”hexafluoropropane, and hydrofluorocarbon.245â€”pentafluoropropane; and (b) about 0.5% to 10% wt. of at least one detoxifying agent selected from the group consisting of: ethene, butene, isoprene, pentene, isopentene, trimethyl ethene, tetramethyl ethene, pentadiene, isobutylene, dimethyl butadiene, hexene, hexadiene, methyl pentadiene, and hexatriene, said detoxifying agent reducing the amount of hydrogen halides and carbonyl halides that are produced on decomposition of the product due to exposure of the product to fire, said flooding product having a boiling point of about âˆ’85Â° C. to 25Â° C.