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Last Updated: March 14, 2026

Claims for Patent: 6,051,245


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Summary for Patent: 6,051,245
Title:Thickeners for products for topical application
Abstract:A thickener for products for topical application such as personal care products for application to the skin or hair, or topically administrable pharmaceutical preparations, comprises a water-in-oil emulsion containing polymeric material, at least 98% of which polymeric material is soluble in the aqueous phase. The polymeric material comprises units derived from (a) acrylamide, (b) 2-acrylamido-2-methylpropane-sulphonic acid (AMPS) and (c) a polyfunctional monomer, present in an amount of from 0.12 to 2 milliequivalents per mol of total monomer units. At least some of the AMPS units are in the form of a neutral salt such that the aqueous phase of the water in oil emulsion has a pH of at least 5.5.
Inventor(s):Arshad-Ul-Haq Chaudhry, Roman J Mikolajewicz
Assignee: Scott Bader Co Ltd
Application Number:US09/210,961

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