Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 16, 2007
Patent Application Number
10595124
Date Filed
August 26, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides hydroxamic acid derivatives which have anti-aging efficacy and a method for preparation thereof. It is further provided skin-care external compositions for preventing skin aging, containing the hydroxamic acid derivatives represented by the formula (I) as an active ingredient.
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