Silicone compound and cosmetic preparation

Details Silicone compound and cosmetic preparation Silicone compound and cosmetic preparation

2006-01-10

2006-01-10

Kunz, Gary (Department: 1616)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

C424S070120, C424S059000, C514S063000, C514S844000, C556S400000

Reexamination Certificate

active

06984390

ABSTRACT:
This invention provides a sterol-modified silicone compound which is low melting, hydrophilic and very suitable for emulsifying, represented by the general formula R1aR2bSiO(4−a−b)/2, and having a melting point of 40° C. or less, and provides a cosmetic material containing this silicone compound having excellent stability and moisture retention propertiesR1in the general formula is a monofunctional alkyl group, aryl group, aralkyl group or fluorine-substituted alkyl group having 1–10 identical or different carbon atoms, which does not contain an aliphatic unsaturated bond, and R2is an organic group represented by the general formula —(CpH2pO(CqH2qO)r—X, where X is a monofunctional residue excepting the hydroxyl group of sterol, a and b are integers satisfying the relations 1.0≦a≦2.5, 0.001≦b≦1.0, and 1.5≦a+b≦2.6, respectively, p is an integer in the range 2–6, q is an integer in the range 2–4, and r is an integer in the range 3–200.

REFERENCES:
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Patent Abstracts of Japan, Mar. 18, 1991, vol. 15, No. 112; abstract of JP 03005488, Jan. 11, 1991.

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