Continuous multi-cell process for particle coating providing for particle recirculation in the respective cells
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United States of America Patent
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Jul 15, 1997
Issued Date -
N/A
app pub date -
Aug 23, 1995
filing date -
Mar 7, 1994
priority date (Note) -
Expired
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Abstract
A process for continuously producing coated particles, and in particular, particles in which the coating is uniform, contiguous and of minimal thickness is described, together with an apparatus for conducting the coating process in which a plurality of coating cells connected in series are provided wherein the particles are pneumatically conveys during the coating application and in which controlled recirculation of particles occurs within each cell and a controlled spray is applied to the particles in order to produce a substantially uniform distribution of coating.
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