Process for drying and expanding microspheres
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United States of America Patent
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-
Aug 9, 1983
Grant Date -
N/A
app pub date -
Dec 18, 1981
filing date -
Jan 14, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a process for drying and expanding microspheres whereby first a dispersion of the microspheres in an inert liquid is prepared. This dispersion is then atomized in a hot inert gas. The process of the invention is advantageously carried out in a spray dryer.
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