Carbohydrate containing cleaning surfactant and method for using the same
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorsDennis Stephen Murphy, David Alan Binder
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Abstract
This invention is directed to a surfactant comprising a carbohydrate group that results in superior cleaning in a dry cleaning system. The surfactant has a hydrocarbon group that is more solvent-philic than a carbohydrate group, and can result in reverse micelle formation in a densified gas like densified carbon dioxide.
Claims18
A dry cleaning system comprising 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 dry cleaning system further comprises a continuous phase solvent which is a biodegradable hydrocarbon or a silicon comprising solvent.
A method for dry cleaning fabric comprising the steps of:
- (a) contacting the fabric with a continuous phase solvent which is a biodegradable hydrocarbon or a silicon comprising solvent;
- and
- (b) contacting the fabric with a surfactant comprising a hydrocarbon group which is solvent-philic and a carbohydrate group which is less solvent-philic than the hydrocarbon group.
Dependencies are inferred from the claim text.