Aqueous hair treatment compositions, thickened with an...

Details Aqueous hair treatment compositions, thickened with an... Aqueous hair treatment compositions, thickened with an...

2003-05-30

2009-11-17

Venkat, Jyothsna A (Department: 1619)

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Polymer containing

C424S070110, C424S070160

Reexamination Certificate

active

07618617

ABSTRACT:
The invention relates to the use of a water-soluble or water-dispersible linear block copolymer comprising at least one hydrophulic block and at least one hydrophobic block, the hydrophilic block representing at least 30% by weight of the linear block copolymer, with the exclusion of block copolymers of ethylene oxide and propylene oxide, block copolymers containing urethane units and block copolymers containing siloxane units, to thicken or gel aqueous hair treatment compositions containing at least one polymer that is beneficial for the hair, and also to aqueous hair compositions thickened or gelled with such a block copolymer.

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“Application of Acrylates/Methacrylates/Beheneth-25 Methacrylate Copolymer as a Thickener in Cosmetic Formulations,” XP-000888570, 494 / Research Disclosure—Apr. 1999 (2 pages).

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