Block copolymer
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United States of America Patent
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-
Dec 30, 2003
Grant Date -
N/A
app pub date -
May 8, 2000
filing date -
Jul 11, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Cross-linked block copolymers are disclosed which have drug retention properties, comprising hard and soft segments, with cross-linking between the soft segments. The block copolymers can be based upon (meth)acrylic monomers, and some possess adhesive properties.
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