Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Cosmetic – antiperspirant – dentifrice
Patent
1998-09-21
1999-12-14
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Cosmetic, antiperspirant, dentifrice
424 7803, 514937, 514938, 514970, A61K 700, A61K 748
Patent
active
060013796
ABSTRACT:
Oil-in-water type emulsions having a pH below or equal to 3.5, especially a pH below or equal to 3, and comprising as a stabilizing agent a substantially water-soluble crosslinked anionic copolymer consisting of units derived from the reaction between (i) acrylamide, (ii) 2-acrylamido-2-methylpropanesulfonic acid and (iii) at least one compound possessing multiple olefinic unsaturation (crosslinking agent), in which the compound possessing multiple olefinic unsaturation is present in the copolymer at a concentration of between 0.06 and 1 mmol per mole of the collective monomer units, are stable.
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"L'Oreal"
Berman Alysia
Page Thurman K.
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