A - Human Necessities – 61 – D
Patent
A - Human Necessities
61
D
A61D 1/00 (2006.01) A61D 1/08 (2006.01) C07C 45/58 (2006.01) C07C 49/16 (2006.01) C07C 49/175 (2006.01)
Patent
CA 2524384
The present invention relates to methods of using at least one fluoroketone selected from monobromoperfluoroketones, monohydromonobromoperfluoroketones, (perfluoroalkoxy)monobromoperfluoroketones, (fluoroalkoxy)monobromoperfluoroketones, and monochloromonobromoperfluoroketones for i) extinguishing fire by applying to the fire such a fluoroketone, ii) preventing fire in an air-containing enclosed area containing combustible materials by introducing into the area such a fluoroketone and maintaining the fluoroketone in an amount sufficient to suppress combustion of combustible materials in the enclosed area, and iii) reducing or eliminating the flammability of a flammable working fluid, by mixing between about 0.1 to about 99 percent by weight of such a fluoroketone with the flammable working fluid.
L'invention concerne des procédés d'utilisation d'au moins un fluorocétone choisi dans les monobromo-perfluorocétones, monohydro-monobromo-perfluorocétones, (perfluoroalcoxy) monobromo-perfluorocétones, (fluoroalcoxy) monobromo-perfluorocétones, et monochloro-monobromo-perfluorocétones pour i) éteindre le feu par application d'un tel fluorocétone, ii) prévenir le feu dans une zone fermée contenant de l'air renfermant des matières combustibles par introduction dans ladite zone d'un tel fluorocétone et l'y maintenir en quantité suffisante pour supprimer la combustion des matières combustibles dans ladite zone fermée, et iii) réduire ou éliminer l'inflammabilité d'un fluide de travail inflammable par mélange avec ce fluide de travail d'une dose comprise entre environ 0,1 et environ 99 % en poids du fluorocétone en question.
Nappa Mario J.
Rao Velliyur Nott Mallikarjuna
Sievert Allen C.
E. I. Du Pont de Nemours And Company
E.i. Du Pont de Nemours And Company
Torys Llp
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