Sheet-shaped adhesive preparation applicable to oral cavity
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United States of America Patent
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Oct 24, 1989
Grant Date -
N/A
app pub date -
Jan 30, 1987
filing date -
Feb 1, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sheet-shaped adhesive preparation comprising an adhesive layer containing as essential components a carboxyvinyl polymer, a water-insoluble methacrylic copolymer, a polyhydric alcohol and a pharmaceutically active agent, and a water-impermeable and water-insoluble carrier layer containing as essential components a pharmaceutically acceptable water-insoluble, film-forming high molecular weight compound and a plasticizer, which can adhere within the oral cavity for a longer period of time and can release the active agent and hence is useful as a sustained release preparation for the oral cavity.
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