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US 2002/0119898 A1Published application
Fabric cleaning system
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorsJan Kevelam, Remco Johannes Koppert, Irene Erica Smit
Life of this patent
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Abstract
In a method of dry cleaning, textile fabrics are contacted with densified carbon dioxide composition. The composition comprises CO2 in a weight ratio to the polar solvent of 5:1 to 100,000:1, preferably from 10:1 to 10,000:1, a hydrophilic fluorescer and surfactant.
Claims15
A dry cleaning composition comprising densified carbon dioxide and polar solvent in a weight ratio of from 5:1 to 100,000:1, preferably from 10:1 to 10,000:1, surfactant and a hydrophilic fluorescer.
Dependencies are inferred from the claim text.