Forming a chemically cross-linked particle of a desired shape and diameter
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United States of America Patent
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May 30, 2006
Grant Date -
Oct 30, 2003
app pub date -
Mar 28, 2003
filing date -
Apr 4, 2002
priority date (Note) -
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Abstract
Chemically cross-linked polymeric particles are formed using mechanical rather than chemical processes, facilitating production of small-diameter particles in a manner largely independent of the viscosity or density of the polymer. For example, an uncross-linked resin may be provided in particulate form, agglomerated, and compressed into a mass of a desired shape with a desired diameter, and subsequently cross-linked.
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