Method and composition for the preparation of controlled long-acting pharmaceuticals
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United States of America Patent
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-
Mar 31, 1981
Grant Date -
N/A
app pub date -
Dec 10, 1979
filing date -
Dec 10, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and composition for the preparation of controlled long-acting pharmaceuticals using a dry carrier or base material comprising an effective amount of hydroxypropyl methylcellulose and hydroxypropyl cellulose suitable for use with both hygroscopic and non-hygroscopic materials. The controlled long-acting products of the invention are suitable for use in the form of lozenges, buccal tablets, oral tablets or suppositories.
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