Hair spray containing carboxylated polyurethane resins

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United States of America Patent

PATENT NO 6106808
SERIAL NO

08717105

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Abstract

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A hair spray composition comprising: (a) about 0.25% to about 6% by weight of a carboxylated polyurethane resin; (b) 0% to about 6% by weight of a second hair fixative resin; (c) 0% to about 80% by weight of an alcohol; and (d) about 15% to about 99% by weight water, wherein the carboxylated polyurethane resin has a weight average molecular weight of about 10,000 to about 25,000, and is a reaction product of a mixture comprising: (i) about 10% to about 90% by weight of the mixture of a polyoxyalkylene diol having a number average molecular weight of about 400 to about 20,000; (ii) about 0.01% to about 20% by weight of the mixture of an alkylene glycol; (iii) about 3% to about 80% by weight of the mixture of an organic diisocyanate; (iv) about 0.1% to about 12% by weight of the mixture of a 2,2-di(hydroxymethyl)-alkanoic acid; and (v) about 0.1% to about 0.5% by weight of the mixture of water, wherein a ratio of isocyanate groups to hydroxyl groups is about 0.55 to about 0.75 is disclosed.

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Patent Owner(s)

Patent OwnerAddress
HELENE CURTIS INC A CORP OF ILLINOIS325 N WELLS STREET CHICAGO IL 60610

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bhatt, Darshna Schaumburg, IL 14 194
Galleguillos, Ramiro Glendale Heights, IL 24 435

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