Systems and processes for spray drying hydrophobic and hydrophilic components

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United States of America Patent

PATENT NO 8802149
APP PUB NO 20090285905A1
SERIAL NO

12469634

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Abstract

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Methods for preparing dry powders having hydrophobic and hydrophilic components comprise combining solutions of the components and spray drying them simultaneously in a spray dryer. The hydrophilic and hydrophobic component are separately dissolved in separate solvents and directed simultaneously through a nozzle, usually a coaxial nozzle, into the spray dryer. The method provides dry powders having relatively uniform characteristics.

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Patent Owner(s)

  • NOVARTIS PHARMA AG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brewer, Thomas K Walnut Creek, US 12 971
Clark, Andrew Half Moon Bay, US 152 2380
Gordon, Marc S Sunnyvale, US 15 1163

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