A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/37 (2006.01) A61K 8/26 (2006.01) A61K 8/34 (2006.01) A61Q 15/00 (2006.01)
Patent
CA 2445462
Disclosed are pressurized antiperspirant compositions comprising (a) a polyol solvent having at least 4 carbon atoms and a hydroxyl group on each of the .prop. and .beta. carbon atoms of the polyol solvent; (b) solubilized antiperspirant active; (c) dimethylether; (d) a low polarity liquid having a solubility parameter of less than about 8.0, wherein the weight ratio of the dimethylether to low polarity solvent is from about 0.1 to about 2.8 It has been found that these compositions are especially useful in formulating clear or single-phase pressurized antiperspirant compositions that remain stable over prolonged periods and that can be formulated without ethanol or aqueous solvents.
L'invention concerne des compositions antitranspirantes sous pression renfermant (a) un solvant polyol comprenant au moins 4 atomes de carbone et un groupe hydroxy sur chacun des atomes de carbone .prop. et .beta. du solvant polyol ; (b) un agent actif antitranspirant solubilisé ; (c) du diméthyléther ; (d) un liquide de faible polarité possédant un paramètre de solubilité inférieur à 8,0 environ, le rapport massique du diméthyléther au solvant de faible polarité étant compris entre 0,1 et 2,8 environ. Ces compositions peuvent être en particulier utilisées pour la préparation de compositions antitranspirantes sous pression, transparentes ou monophasiques, restant stables pendant de longues périodes et pouvant être préparées sans éthanol ou sans solvants aqueux.
Hilvert Jennifer Elaine
Smith Scott Edward
Swaile David Frederick
Gowling Lafleur Henderson Llp
The Procter & Gamble Company
LandOfFree
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