Method and device for the production of phosgene from diphosgene and/or triphosgene
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United States of America Patent
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Jun 4, 2002
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app pub date -
Mar 14, 2000
filing date -
Sep 15, 1997
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Abstract
The invention concerns a method for preparing phosgene from diphosgene and/or triphosgene, by reaction on a catalyst comprising one or several compounds with one or several nitrogen atoms with a pair of deactivated electrons. The invention further concerns a device for preparing phosgene from diphosgene and/or triphosgene, for implementing said method.
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