Process for producing dispersible powders

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United States of America Patent

PATENT NO 9051440
APP PUB NO 20140167299A1
SERIAL NO

14236563

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Abstract

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A process for producing dispersible powders by spray-drying aqueous polymer dispersions and adding antiblocking agent, wherein antiblocking agents present in agglomerated form and having a particle size from 10 μm to 250 μm, or having a particle size from 5 mm to 5 cm in the case of agglomerates in the form of extrudates, are fed in whole or in part by a transport gas into the spray-drying device and are comminuted to a particle size from 0.01 μm to 5 μm, or, in the case of extrudates, to a particle size from 2 μm to 60 μm.

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Patent Owner(s)

Patent OwnerAddress
WACKER CHEMIE AGMUNICH GERMANY MUNICH BAVARIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gerstenberger, Bernd Burghausen, DE 2 5
Herbert, Michael Burghausen, DE 22 164
Killat, Stefan Burghausen, DE 7 54
Ring, Jochen Herxheim, DE 2 5

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