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US 5,578,138 AGranted
Compositions comprising 1,1-dichloro-1-fluoroethane and process for the removal of water from a solid surface
AssigneeSolvay (Societe Anonyme)
InventorsMireille Paulus, Robert Putteman, Pierre Barthelemy
Life of this patent
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Abstract
Compositions based on 1,1-dichloro-1-fluoroethane and a surfactant comprising at least one imidazoline, which are usable for removing water from a solid surface.
Claims14
A composition comprising 1,1-dichloro-1-fluoroethane and at least 0.001% by weight relative to said 1,1-dichloro-1-fluoroethane of an imidazoline of the formula ##STR3## in which R represents an alkyl or alkenyl chain comprising 6 to 25 carbon atoms, Y represents a hydroxyl or amino group and n is an integer from 1 to 20, adapted to avoid formation of stable water-in-oil emulsions.
Dependencies are inferred from the claim text.