Cosmetic composition comprising a particle dispersion

Details Cosmetic composition comprising a particle dispersion Cosmetic composition comprising a particle dispersion

2005-03-22

2005-03-22

Venkat, Jyothsna (Department: 1615)

Drug, bio-affecting and body treating compositions

Live skin colorant containing

Lip

C424S069000, C424S065000, C424S070700, C424S401000

Reexamination Certificate

active

06869599

ABSTRACT:
The invention relates to a cosmetic makeup composition and/or care composition for the skin and the lips, comprising a dispersion, in a cosmetically acceptable medium, of particles comprising at least one at least partially external supple phase comprising at least one supple polymer having at least one glass transition temperature of less than or equal to 60° C., and an at least partially internal rigid phase which is an amorphous material having a glass transition temperature of greater than 60° C., the supple polymer being at least partially attached by chemical grafting onto the rigid phase. The invention also relates to the use of such a particle dispersion to improve the comfort and staying power of cosmetic compositions.

REFERENCES:
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patent: 6326013 (2001-12-01), Lemann et al.
patent: 6335005 (2002-01-01), Müller et al.
patent: 0 424 112 (1991-04-01), None
Patent Abstracts of Japan, vol. 016, No. 342 (C-0966), Jul. 24, 1992, JP 04 103510 A.
Masakazu Hirose et al., “The structure and properties of acrylic-polyurethane hybrid emulsions,” Progress in Organic Coatings, vol. 38, 2000, pp. 27-34.

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