Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2007-12-26
2011-12-20
Dentz, Bernard (Department: 1622)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S844000, C549S408000, C424S070100, C424S070310
Reexamination Certificate
active
08080581
ABSTRACT:
The present invention provides a cosmetic having equal to or a higher antioxidant activity and moisture retaining property than the above-described conventional vitamin E derivatives. The cosmetic also has an excellent emulsifying ability and solubilizing ability and remarkably reduces a sticky feeling on the skin (in particular, the sticky feeling during drying after the application on the skin). That is, the cosmetic of the present invention containing a vitamin E derivative represented by the following formula (I) or a salt thereof.[In the formula, R1, R2, and R3represent a hydrogen atom or a methyl group; R4represents a C1-6alkanoyl group, a C1-6alkyl group, a SO3H group, a P(O)(OH)2group, a CH2COOH group or a COCH2CH(SO3H)COOH group; EO represents an ethylene oxide group; BO represents a butylene oxide group; k and n independently represent any one of numbers 0 to 30; and m represents any one of numbers 1 to 30.]
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Kakoki Hiroyuki
Nakanishi Yuko
Omura Takayuki
Yoshida Susumu
Dentz Bernard
Rankin , Hill & Clark LLP
Shiseido Company Ltd.
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