Production of particulate materials
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United States of America Patent
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May 13, 1997
Grant Date -
N/A
app pub date -
Aug 10, 1995
filing date -
Dec 18, 1992
priority date (Note) -
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Abstract
A process for producing solid particles by drying a spray of liquid droplets. The droplets are formed by projecting a liquid formulation as a plurality of jets J (FIG. 6) in such a way that each jet breaks up into droplets of narrow size distribution. Prior to the onset of coalescence the droplets are contacted with a gas flow (G) which is arranged to reduce coalescence by disrupting slip streaming of the droplets and/or accelerating the droplets.
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