Medicated plaster containing basic physiologically active agents and/or salts thereof
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United States of America Patent
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Nov 3, 1998
Issued Date -
N/A
app pub date -
May 29, 1996
filing date -
Mar 15, 1989
priority date (Note) -
Expired
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Abstract
Medicated plasters composed of a flexible support and a pressure-sensitive adhesive layer laminated thereon, in which said pressure-sensitive adhesive layer has an exposed surface with pH of 7 or higher and contains one of the following three components: i) a basic physiologically active agent and an acidic substance, ii) a salt of a basic physiologically active agent and a basic substance, and iii) a basic physiologically active agent and a salt of a basic physiologically active agent.
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