Topical cosmetic agents containing 2-hydrazino-1,3 -heteroazoles
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United States of America Patent
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N/A
Issued Date -
Apr 17, 2003
app pub date -
Aug 21, 2002
filing date -
Feb 25, 2000
priority date (Note) -
Abandoned
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Abstract
The inventive 2-hydrazino-1,3-heteroazoles or salts thereof are, as very good tyrosinase inhibitors, active constituents in topical cosmetic agents, especially in cosmetic or dermatological skin brightening agents.
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