Slow-releasing preparation
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United States of America Patent
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-
Oct 10, 1989
Grant Date -
N/A
app pub date -
May 21, 1987
filing date -
May 21, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A slow-releasing preparation comprises porous granules of deacetylated chitin as a carrier and a physiologically active substance contained in the granules. The slow-releasing prepartion can be embedded in a body for curing diseases.
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