C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
134/44
C09K 3/30 (2006.01) C11D 17/00 (2006.01)
Patent
CA 1205349
ABSTRACT OF THE DISCLOSURE The amount of gaseous flammable propellants such as dimethylether, difluoroethane, propane, butane, and the like can be increased to as high as from 30 to 50% by weight of a propellant composition by dissolving the normally gaseous propellant in the dispersed oil phase of an oil-in-water microemulsion. The aerosol pro- pellant compositions can be simply prepared by metering the ingredients other than the gaseous propellants into an aerosol dispenser, then adding the gaseous pro- pellant, under suitable pressure, into the aerosol dis- penser whereby simply shaking of the dispenser will result in the spontaneous formation of an oil-in-water microemulsion which is clear and stable and which can contain as much as about 50% by weight of the gaseous propellant without causing flaming when the composition is sprayed directly into a candle flame.
457246
Bristol-Myers Squibb Company
Gowling Lafleur Henderson Llp
LandOfFree
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