Polyphenolic bioprecursors
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United States of America Patent
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Jun 30, 2015
Grant Date -
Aug 27, 2009
app pub date -
Jun 16, 2006
filing date -
Jun 17, 2005
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Abstract
Cosmetic and therapeutic, in particular dermatological bioprecursors have the formula [A]n-PP-[B]m wherein PP is a polyphenol radical in which each hydroxyl function is protected by a group A or a group B, A is a saturated or unsaturated, substituted or unsubstituted alkyl radical having 1 to 20 carbon atoms which is bonded to the polyphenol, n is an integer not less than 1, and B is a precursor of a biologically active molecule, which is also bonded to the polyphenol, and m is an integer also not less than 1.
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