Process for preparing a polymer composition
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United States of America Patent
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-
Mar 23, 1982
Grant Date -
N/A
app pub date -
Mar 8, 1979
filing date -
Mar 9, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A polymer composition containing a physiologically active substance which can be released at a controlled rate is prepared by contacting one or more polymerizable monomers with the physiologically active substance, mking the monomers into a specific shape and then irradiating the shaped article with light or an ionizing radiation at a low temperature below room temperature to polymerize the polymerizable monomers.
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