Sesamol derivatives or their salts, the process for...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...

Reexamination Certificate

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Details

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.

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