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US 5,308,511 AGranted
Solvent-based water- and oil-repellent treating agent
AssigneeMinnesota Mining and Manufacturing Company
InventorsDirk Coppens, Makoto Nagase, Masahiro Ashizawa
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Abstract
Compositions for imparting water- and oil-repellency to fabrics are provided. They contain a mineral spirits solution of a fluorchemical water- and oil-repellent agent, zirconium carboxylic acid ester, and alkenyl succinic anhydride.
Claims12
A mineral spirits solution consisting essentially of components that are soluble in mineral spirits and comprising a fluorochemical water-and oil-repellent agent, zirconium carboxylic acid ester, and alkenyl succinic anhydride.
Method of treating a fibrous substrate comprising:
- (A) contacting said fibrous substrate with a mineral spirits solution consisting essentially of components that are soluble in mineral spirits comprising a fluorochemical water-and oil-repellent agent, zirconium carboxylic acid ester, and alkenyl succinic anhydride
- (B) removing solvent from the resulting treated substrate.
Dependencies are inferred from the claim text.