Adhesive preparation comprising sufentanil and methods of using same
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United States of America Patent
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Issued Date -
Aug 30, 2007
app pub date -
Feb 12, 2007
filing date -
Feb 13, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention provides percutaneously absorbable adhesive preparations and transdermal compositions comprising Sufentanil, which are obtained from economic starting materials, have a constitution simpler than that of conventional Sufentanil adhesive preparations, and have effective skin permeability. The preparations and compositions comprise two polyisobutylenes having different molecular weights, a tackifier, a permeation enhancer.
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