Drug – bio-affecting and body treating compositions – Live hair or scalp treating compositions – Permanent waving or straightening
Reexamination Certificate
2008-05-27
2008-05-27
Hui, San-Ming (Department: 1617)
Drug, bio-affecting and body treating compositions
Live hair or scalp treating compositions
Permanent waving or straightening
C424S401000
Reexamination Certificate
active
09966751
ABSTRACT:
The invention relates to cosmetic compositions, and in particular hairstyling gels, containing in a cosmetically acceptable carrier(a) at least one fixing film-forming polymer chosen from branched block copolymers comprising, as principal monomers, at least one C1-20alkyl acrylate and/or at least one N-mono- or N,N-di(C2-12alkyl)(meth)acrylamide, and acrylic acid and/or methacrylic acid,(b) at least one thickening agent chosen from homopolymers and copolymers based on (meth)acrylic acid, which are crosslinked or noncrosslinked, and(c) at least one cothickening agent chosen from noncellulosic thickening polymers different from (b).
REFERENCES:
patent: 5612397 (1997-03-01), Gebhard et al.
patent: 5986015 (1999-11-01), Midha et al.
patent: WO 00/40628 (2000-07-01), None
Merck Index, 11th ed., 1989, monograph 4486.
"L'Oreal"
Hui San-Ming
Steptoe & Johnson LLP
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