Cosmetic powders

Details Cosmetic powders Cosmetic powders

1986-08-21

1989-08-15

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Live skin colorant containing

424 69, A61K 702, A61K 7021, A61K 7031, A61K 7032

Patent

active

048573086

ABSTRACT:
A cosmetic comprises an alkyl phosphate represented by the formula (I): ##STR1## in which R.sub.1 and R.sub.2 independently represent hydrogen atom or an alkyl group having from 1 to 36 carbon atoms, and R.sub.3 represents an alkyl group having from 1 to 36 carbon atoms, and a cosmetic powder.
The cosmetic is water-repellent in nature, unlikely to break by sweat and is readily spread on the skin with improved softness due to incorporation of the alkyl phosphate.
The cosmetic is prepared by first mixing the cosmetic powder and the alkyl phosphate dissolved in an organic solvent under heating conditions. Subsequently, the solvent is distilled off to form an alkyl phosphate coating on the indivisual particles. The coated particles are mixed with other cosmetic ingredients.

REFERENCES:
patent: 2938901 (1960-05-01), Kerr et al.
patent: 3632744 (1972-01-01), Paulsen
patent: 4474818 (1984-10-01), Scott
Chemical Abstracts, vol. 102, 1985, p. 36, Abstract No. 63078b, Columbus, Ohio, U.S.; & JP-A-59 170 131 (Daihachi Chemical Industry Co., Ltd.) 26-09-1984 *Abstract*.
The Fragrance Journal, vol. 2, No. 3, (1974) Colorant, 45, 593, (1972).
The Fragrance Journal, 30 (1978), p. 4.

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