KETOPROFEN-CONTAINING PATCH
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United States of America Patent
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Issued Date -
Dec 14, 2023
app pub date -
Oct 22, 2021
filing date -
Oct 23, 2020
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Abstract
The present invention provides a patch which prevents ketoprofen from forming a menthol ester, suppresses crystal precipitation, and yet shows excellent skin permeability. Specifically, the present invention provides a patch comprising ketoprofen, L-menthol, zinc oxide, and a fatty acid ester in a pasty preparation.
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