Polymeric diffusion matrix containing phenylpropanolamine
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United States of America Patent
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Sep 15, 1981
Issued Date -
N/A
app pub date -
Jul 9, 1980
filing date -
Aug 14, 1979
priority date (Note) -
Expired
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Abstract
There is disclosed a polymeric diffusion matrix for the sustained release of phenylpropanolamine by transdermal delivery to a patient wherein the matrix comprises a polar plasticizer, polyvinylalcohol, polyvinylpyrrolidone, and a pharmaceutically effective amount of phenylpropanolamine.
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