TRANSDERMAL DELIVERY SYSTEM
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United States of America Patent
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Issued Date -
Jan 28, 2016
app pub date -
Jun 10, 2015
filing date -
Nov 2, 2007
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Abstract
A transdermal delivery system comprising a composition comprising a physiologically active agent and a penetration enhancer wherein the penetration enhancer comprises a combination of (i) an ester of salicylic acid, preferably selected from the C6 to C30 aliphatic ester of salicylic acid and (ii) polyethylene glycol (PEG) of average molecular weight no more than 300.
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