Stabilization of Chlorinated Olefins
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United States of America Patent
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Issued Date -
Apr 28, 2016
app pub date -
Oct 20, 2015
filing date -
Oct 22, 2014
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Abandoned
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Abstract
A composition is provided, including: at least one chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms; and at least one C1-C7 aliphatic aldehyde hydrazone and/or at least one C1-C14 aliphatic ketohydrazone. A method of inhibiting formation of phosgene and/or acidic impurity from a chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms, comprising: adding at least one C1-C7 aliphatic aldehyde hydrazone and/or at least one C1-C14 aliphatic ketohydrazone to a chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms also is provided.
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