Methods using fluoroketones for: extinguishing fire;...

Details Methods using fluoroketones for: extinguishing fire;... Methods using fluoroketones for: extinguishing fire;...

2008-03-18

2008-03-18

Ganey, Steven J. (Department: 3752)

Fire extinguishers

Processes

Of extinguishing fire

C169S009000, C169S011000, C169S044000, C252S002000, C252S008000, C568S416000

Reexamination Certificate

active

10871715

ABSTRACT:
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.

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Zapevalov, A. Ya. et al., “Synthesis and Reactions of Oxygen-Containing Organofluorine Compouds. X. Bromoperfluorinated Carbonyl Compounds and Their Derivatives”, Database Caplus Online Search, Chemical Abstracts Service, Abstract cited (Zhurnal Organicheskoi Khimii), 1990, pp. 265-272, vol. 26(2)., Inst. Khim., Sverdlovsk, USSR.
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