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US 6,309,425 B1Granted
Cleaning composition and method for using the same
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorDennis Stephen Murphy
Life of this patent
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Abstract
A novel cleaning composition for dry cleaning applications is described. The cleaning composition utilizes a stain removal composition having a stain removal surfactant and a stain removal solvent, and the dry cleaning applications use a solvent which is a gas at standard temperature and pressure, a biodegradable functionalized hydrocarbon or a silicone comprising solvent.
Claims6
A process for removing a contaminant from a substrate comprising the steps of:
- (a) contacting a substrate comprising a contaminant with a stain removal composition to produce a substrate comprising a stain removal composition;
- (b) subjecting the substrate comprising a stain removal composition to a solvent that is a gas at standard temperature and pressure, a biodegradable functionalized hydrocarbon or a silicone comprising solvent;
- and
- (c) dry cleaning the substrate.
1 more element
Dependencies are inferred from the claim text.