Process for the preparation of a pulverulent composition and product as obtained
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United States of America Patent
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Aug 11, 2015
Grant Date -
Dec 17, 2009
app pub date -
Mar 16, 2007
filing date -
Mar 17, 2006
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Abstract
Method of preparing a non-hygroscopic pulverulent composition, includes a step for the spray drying, without an atomization support, of an aqueous solution containing at least one initially hygroscopic product, having a glass transition temperature ranging from 10° C. to 110° C., and a cryogenic fluid, especially a food-grade cryogenic fluid, or a mixture of cryogenic fluids, particularly chosen from liquid air, nitrogen and carbon dioxide, the aqueous solution being obtained by dissolving the cryogenic fluid in an initial aqueous solution containing the initially hygroscopic product.
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