Controlled macroporous copolymer properties by removal of impurities in the diluent
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United States of America Statutory Invention Reg
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-
May 7, 1991
Grant Date -
N/A
app pub date -
Sep 5, 1989
filing date -
Jul 22, 1985
priority date (Note) -
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Abstract
Macroporous copolymer particles are prepared via a process wherein phase separating diluent is removed from copolymer particles and isolated (e.g., by distillation). The isolated diluent is purified by eluting the diluent through a column containing a purification agent such as alumina. The recycled diluent can be employed in the further preparation of macroporous copolymer particles.
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