Process for the preparation of spherules
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United States of America Patent
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Feb 20, 1996
Grant Date -
N/A
app pub date -
Jul 8, 1994
filing date -
Jul 8, 1993
priority date (Note) -
Expired
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Abstract
An oil-in-water emulsion is passed through a nozzle to form spherules which are allowed to fall countercurrent to a flow of cold air and which are recovered utilizing either a liquid crosslinking agent or a solution, preferably aqueous, optionally containing a crosslinking agent.
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