Porous beads and method of production thereof
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United States of America Patent
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Dec 26, 2006
Grant Date -
Jul 13, 2006
app pub date -
Jul 29, 2003
filing date -
Jul 30, 2002
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Abstract
The present invention relates to porous beads and to methods of production thereof, in particular to a method of producing hydrophilic polymeric beads by freeze-drying a droplet containing a polymeric material in a continuous phase of an oil-in-water (O/W) emulsion.
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