PATCH PREPARATION
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United States of America Patent
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Issued Date -
Apr 6, 2023
app pub date -
Feb 18, 2021
filing date -
Feb 19, 2020
priority date (Note) -
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Abstract
The problem of the present invention is to provide a patch preparation superior in the skin permeability of drugs and having good adhesive property. The present invention relates to a patch preparation containing a drug (excluding tandospirone and a pharmaceutically acceptable salt thereof), levulinic acid, and propylene glycol fatty acid ester in the adhesive layer, which is superior in the practical adhesive property and skin permeability of drugs.
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