.alpha., -polyether polysiloxanes as w/o emulsifiers

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B01F 17/54 (2006.01) A61K 8/26 (2006.01) A61K 8/28 (2006.01) A61K 8/44 (2006.01) A61K 8/897 (2006.01) A61K 8/898 (2006.01) A61K 9/107 (2006.01) A61K 47/34 (2006.01) A61Q 15/00 (2006.01)

Patent

CA 2207113

Use of copolymers of the general formula (see fig. I) R = -(CH2-)mO-(C2H4O-)x(C3H6O-)yR1 m = 2 to 4, x = 3 to 100, y = 0 to 50, R1 = H, CH3, CH2CH3, n = 50 to 200, as emulsifiers in W/O emulsions in amounts from 0.1 to 20% by weight, based on the total weight of the emulsion.

Utilisation de copolymères de formule générale (voir fig. I) R = -(CH2-)mO-(C2H4O-)x(C3H6O-)yR1 m = 2 à 4, x = 3 à 100, y = 0 à 50, R1 = H, CH3, CH2CH3, n = 50 à 200, comme émulsifiants dans des émulsions huileuses en quantité variant de 0,1 à 20 % en poids, par rapport au poids total de l'émulsion.

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