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US 4,543,249 AGranted
Hair spray compositions containing methylmethacrylate-methacrylic acid copolymers
AssigneeAmerican Cyanamid Company
InventorElliot Nelson
Life of this patent
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Abstract
Hair spray compositions, particularly non-aerosol compositions containing partially to fully neutralized copolymers of 70 to 90 percent methylmethacrylate and 10 to 30 percent methacrylic acid dissolved in aqueous alcohol containing up to 35 percent water.
Claims6
A non-aerosol hair spray composition consisting essentially of from about 1 to 10 percent by weight of a copolymer of 70 to 90 percent weight percent methylmethacrylate and 10 to 30 weight percent methacrylic acid, the carboxyl groups of which are 50 to 100 percent neutralized with a water-soluble base, dissolved in 65 to 99 percent aqueous ethanol.
Dependencies are inferred from the claim text.