Hair-cosmetic composition comprising at least one...

Details Hair-cosmetic composition comprising at least one... Hair-cosmetic composition comprising at least one...

2011-06-14

2011-06-14

Venkat, Jyothsna A (Department: 1619)

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Polymer containing

C424S047000, C424S070110

Reexamination Certificate

active

07959906

ABSTRACT:
A hair-cosmetic composition comprising, in a cosmetically acceptable medium, at least one film-forming gradient copolymer comprising at least two different monomeric residues, and displaying a mass polydispersity index (Ip) less than or equal to 2.5, wherein the composition is able to form a film that has a strain at break εrranging from 5% to 2500%, and/or a Young's modulus ranging from 0.5 to 1200 Mpa, and/or an instantaneous elastic recovery εigreater than or equal to 10%. An aerosol composition packaged in an aerosol device, comprising a propellant and a haircare composition as defined above, and also a method for treating the hair, such as a styling method, comprising applying the haircare composition or the aerosol composition above to the hair.

REFERENCES:
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patent: 5807937 (1998-09-01), Matyjaszewski et al.
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patent: 6310165 (2001-10-01), Wang
patent: 6312672 (2001-11-01), Coolbaugh et al.
patent: 2002/0019476 (2002-02-01), Berge et al.
patent: 1 541 176 (1979-02-01), None
M. Kryszewski, “Gradient Polymers and Copolymers,” Polymers for Advanced Technologies, vol. 9, No. 1, Apr. 1, 1998, pp. 244-259.

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