Use of a silicone surfactant of alkyl-dimethicone copolyol...

Details Use of a silicone surfactant of alkyl-dimethicone copolyol... Use of a silicone surfactant of alkyl-dimethicone copolyol...

2006-08-01

2006-08-01

Padmanabhan, Sreeni (Department: 1617)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

C424S062000, C424S063000, C424S059000, C424S070100

Reexamination Certificate

active

07083800

ABSTRACT:
The present invention relates to the use of a silicone surfactant of alkyl dimethicone copolyol type of formula:in which:PE=(—C2H4O)x(—C3H6O)y—H,x=0 to 50,y=0 to 30, x and y not simultaneously being 0,o=1 to 100,m=1 to 40,n=1 to 200,p=1 to 17 andq=1 to 5,in the preparation of a solid water-in-oil emulsion comprising an aqueous phase emulsified by the said surfactant in a fatty phase comprising at least one oil and at least one wax.The invention also relates to a solid emulsion of water-in-oil type, in particular a transfer-free foundation, such as the emulsion defined above.

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Duane G. Krzysik et al., “A New Silicone Emulsfier For Water-in-Oil Systems”, Drug & Cosmetic Industry, vol. 146, No. 9, Apr. 1990.
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English language Derwent Abstract of EP 0 595 683.
English language abstract of JP 03-261707.

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