Polyether polymerization process

China Patent

APP PUB NO CN-118043375-A
SERIAL NO

202280066405

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Abstract

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The alkylene oxide is polymerized in the presence of a catalyst system comprising a double metal cyanide catalyst. At least one additive is present. The additive is an alkali metal, ammonium or quaternary ammonium salt of a monocarboxylic acid having up to 24 carbon atoms; monopotassium phosphate, monoammonium phosphate or quaternary ammonium, diammonium phosphate and quaternary ammonium phosphate or phosphoric acid.

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Patent OwnerAddress
DOW GLOBAL TECHNOLOGIES INCNot Provided

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Inventor(s)

Inventor Name Address
WESTON JOHN W -
RAGHURAMAN ARJUN -
ZIEBARTH ROBIN P -
NIKBIN NIMA -
STEELMAN DAVID K -

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