Patent ID: 6369014
Filing Date: 2002-04-09
Classification: C11D,D06L

Abstract:
A dry cleaning system comprising a carbon dioxide comprising solvent and a surfactant comprising a hydrocarbon group which is solvent-philic, and a carbohydrate group which is less solvent-philic than the hydrocarbon group wherein the surfactant has the formula:AXB and(i) A is a moiety which is more soluble in the dry cleaning solvent than B; â€ƒa divalent group comprising P or (iii) B is a carbohydrate group; (iv) Z is H, or a C1-10 alkyl group, or â€ƒand G is a C1-6 alkyl, (v) m is an integer from 0 to about 10, and d is 0 when m is 0 and 1 when m is &gE;1, with the proviso that A is not a siloxane, a halocarbon, or a polyalkylene oxide.