Controlled release beads having glass or silicon dioxide core
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United States of America Patent
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-
May 22, 1990
Grant Date -
N/A
app pub date -
Sep 12, 1986
filing date -
Oct 11, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Controlled release preparation containing a number of insoluble beads applied with one or more pharmaceutically active compounds, a method for the production thereof and the use in a treatment where a controlled release of a pharmaceutically active compound is needed.
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