Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Aftertreated polymer
Reexamination Certificate
2006-02-07
2006-02-07
Venkat, Jyothsna (Department: 1615)
Drug, bio-affecting and body treating compositions
Solid synthetic organic polymer as designated organic active...
Aftertreated polymer
C424S401000, C424S061000, C424S701000, C424S707000
Reexamination Certificate
active
06994846
ABSTRACT:
The present patent application relates to a cosmetic and/or dermatological composition comprising at least one aqueous phase including at least one water-soluble or water-dispersible polymer, of triblock structure B-A-B in which A is an ionic water-soluble polymer block and B is a hydrophobic polymer block, the amount of polymer block A being greater than or equal to 50% of the total weight of the triblock polymer.The invention also relates to the use of the said composition, especially in cosmetics for caring for, cleansing, protecting and/or making up the skin, keratin fibers and/or mucous membranes.
REFERENCES:
patent: 4505827 (1985-03-01), Rose et al.
patent: 6689856 (2004-02-01), L'alloret
patent: 0 947 527 (1999-10-01), None
C. Tsitsilianis et al.: “An Associative Polyelectrolyte End-Capped with Short Polystyrene Chains.” Macromolecules, vol. 33, No. 8 2000, pp. 2936-2943, XP002202464.
EP 1002 527 (May 24, 2000) Abstract.
FR 2710646 (Apr. 7, 1995) Abstract.
"L'Oreal"
Venkat Jyothsna
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