Low temperature spray drying of carrier-free compositions
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United States of America
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Feb 25, 2020
Grant Date -
Oct 31, 2019
app pub date -
Apr 28, 2018
filing date -
Apr 28, 2018
priority date (Note) -
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Abstract
A spray drying process and apparatus for drying a spray dryable liquid composition to a spray dried powder is described, in which the spray dryable liquid composition contains no carrier. The spray dryable liquid composition is processed at a solids concentration not exceeding 80% by weight, based on total weight of the spray dryable liquid composition, being atomized to generate an atomized spray of liquid particles of the spray dryable liquid composition into a spray drying chamber, in which the atomized spray is contacted with a stream of drying fluid flowed at temperature not exceeding 100° C. into the spray drying chamber, to form the spray dried powder.
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