Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...
Reexamination Certificate
2011-05-17
2011-05-17
Dentz, Bernard (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Phosphorus containing other than solely as part of an...
C549S220000
Reexamination Certificate
active
07943599
ABSTRACT:
The present invention relates to a sesamol derivative or its salt, and a skin external composition containing the same. More particularly, the invention relates to a sesamol derivative or its salt, which consists of sesamol and 3-aminopropane phosphoric acid, linked with each other by a phosphoric acid diester bond, and can be degraded into sesamol and 3-aminopropane phosphoric acid by enzymes present on the skin so as to simultaneously show the physiological activities of sesamol and 3-aminopropane phosphoric acid, as well as a preparation method thereof and a skin external composition containing the same.
REFERENCES:
patent: 4499115 (1985-02-01), Minh et al.
International Search Report for PCT/KR2006/002037 mailed Sep. 28, 2006.
Chang Ih Seop
Kim Duck Hee
Lee Ok Sub
Rho Ho Sik
You Jae Won
Amorepacific Corporation
Dentz Bernard
Nixon & Vanderhye P.C.
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