Method of purifying vinylene carbonate

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United States of America Patent

PATENT NO 7999122
APP PUB NO 20090023936A1
SERIAL NO

11920169

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Abstract

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The present invention relates to the industrial purification of vinylene carbonate (VC).It was found that it is advantageous to subject the VC to be purified, before the purifying distillation, to a simple thermal treatment with organic compounds which have amidic nitrogen-hydrogen bonds.

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Patent Owner(s)

Patent OwnerAddress
SALTIGO GMBH40764 LANGENFELD

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grzinia, Heinrich Erkelenz, DE 3 5
Langer, Reinhard Tönisvorst, DE 46 409
Wagner, Paul Düsseldorf, DE 133 1324

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