Spherical granules having core and their production
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United States of America Patent
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-
Jun 25, 1991
Grant Date -
N/A
app pub date -
Jan 14, 1988
filing date -
Jan 29, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The spherical granules having a core coated with spraying powder containing a drug and low substituted hydroxypropylcellulose, because of their excellent hardness, can be coated further evenly, (e.g. sustained release coating, gastric coating, enteric coating), and at the time the granules are excellent in disintegration.
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Cited Art Landscape
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