Pretreatment in encapsulation process
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United States of America Patent
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May 13, 1986
Grant Date -
N/A
app pub date -
Apr 24, 1985
filing date -
Apr 24, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for encapsulating materials which are difficult to fluidize in a fluidized bed reactor comprising the steps of (1) compacting said materials into a plurality of flat chips; (2) grinding said chips into particles having a small particle size; (3) forming a fluid bed of the particles of step (2) in a fluid bed spray reactor; (4) applying a spray of a melted or molten hydrogenated liquid or wax to the surface of said particles in said reactor, encapsulating said particles; withdrawing said encapsulating material from said reactor.
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