Cosmetic dermatological composition comprising at least one...

Details Cosmetic dermatological composition comprising at least one... Cosmetic dermatological composition comprising at least one...

2003-12-15

2009-12-15

Shiao, Rei-tsang (Department: 1626)

Drug, bio-affecting and body treating compositions

Dispersion or emulsion

C424S401000, C424S061000, C424S078030

Reexamination Certificate

active

07632873

ABSTRACT:
A cosmetic or dermatological composition comprising at least one gradient copolymer comprising at least two different monomers, displaying a mass polydispersity index (Ip) less than or equal to 2.5 and for example, additionally a low composition polydispersity. A cosmetic or dermatological method for make-up or care of keratinous substances, notably the skin of the body or of the face, the nails, the hair and/or the eyelashes, comprising application of a cosmetic composition as defined above on the said substances.

REFERENCES:
patent: 5807937 (1998-09-01), Matyjaszewski et al.
patent: 6113930 (2000-09-01), Mondet et al.
patent: 6312672 (2001-11-01), Coolbaugh et al.
Gagliardi et al., 1967, CAS: 66:66679.
M. Kryszewski, “Gradient Polymers and Copolymers,” Polymers for Advanced Technologies, vol. 9, No. 4, Apr. 1, 1998, pp. 244-259.

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