Compositions – Fire-extinguishing
Patent
1987-08-05
1989-04-18
Locker, Howard J.
Compositions
Fire-extinguishing
169 46, 169 47, 252 3, 252 805, 252351, A62D 100, A62C 112
Patent
active
048224987
ABSTRACT:
A fire-extinguishing composition comprising a fluorine-containing surfactant of the formula: ##STR1## wherein R.sub.f is a polyfluoroalkyl group having from 3 to 20 carbon atoms, X is a bivalent connecting group containing an ether-type oxygen atom, R is an alkylene group, Y is ##STR2## wherein Z.crclbar. is an anionic group-containing alkyl group, R.sup.1 is a hydrogen atom, an alkyl group or a hydroxyalkyl group, or forms together with R.sup.2 an alkylene group, R.sup.2 is a hydrogen atom, an alkyl group or a hydroxyalkyl group, or forms together with R.sup.1 an alkylene group, and R.sup.3 is a hydrogen atom, an alkyl group or a hydroxyalkyl group.
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Chemical Abstracts, vol. 84, No. 4, Jan. 26th, 1976, p. 175, Abstract No. 19911d, Columbus, Ohio, U.S.; and JP-A-75 82 897 (Asahi Electro-Chemical Co., Ltd) 04-07-1975.
Hatayama Hideaki
Otoshi Sachio
Asahi Glass Company Ltd.
Locker Howard J.
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