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US 4,065,258 AGranted
Process for dry cleaning leather
AssigneeUnion Carbide Corporation
InventorHaywood Gordon France
Life of this patent
Estimating the term…
Abstract
The dissolution of a small amount of certain reactive epoxy-containing silicone compounds in solvents used to dry clean leather results in improved and more durable softness and water resistance properties being imparted to the leather.
Claims4
In the process of dry cleaning leather, the improvement which comprises having present in the dry cleaning solvent an epoxy-containing silicone compound of the formula:
- ##STR4## wherein R is an alkyl radical containing from 1 to 4 carbon atoms, R" is an alkyl radical containing from 1 to 40 carbon atoms, R' is an organic radical containing a vicinal epoxy group, x has a value of from 10 to 1,000 and y has a value of from 1 to 100.
Dependencies are inferred from the claim text.