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US 5,182,098 AGranted
Terpolymer hair fixatives, aqueous solution process for making same and water-based hair spray formulations which meet VOC standards
AssigneeISP Investments Inc.
InventorsStephen L. Kopolow, Mohammed Tazi, Edward W. Walls, Jr.
Life of this patent
Estimating the term…
Abstract
The present invention provides a terpolymer hair fixative comprising vinyl caprolactam, vinyl pyrrolidone and methacryloamidopropyl trimethylammonium chloride, an aqueous solution process for making such terpolymers, and water-based hair spray compositions which meet VOC standards.
Claims9
A terpolymer hair fixative consisting essentially of about 5 to 20% by weight of vinyl caprolactam, about 65 to 90% by weight of vinyl pyrrolidone and about 5 to 15% by weight of methylacryloamidopropyl trimethylammonium chloride.
Dependencies are inferred from the claim text.