Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 24, 2008
Patent Application Number
10848656
Date Filed
May 19, 2004
Patent Primary Examiner
Patent abstract
The present invention is directed to crystalline forms of anhydrous 4-cyclopentyl resorcinol, the Form A and C polymorphs, formulations containing at least one of these crystalline forms and their use to lighten skin.
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