Process for producing phosphonitrilic acid ester
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United States of America Patent
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Apr 7, 2009
Grant Date -
Mar 15, 2007
app pub date -
Jun 3, 2004
filing date -
Jun 5, 2003
priority date (Note) -
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Abstract
A process for producing a phosphonitrilic acid ester. The process comprises using a specific compound as a catalyst to react phosphonitrile dichloride with at least one member selected among phenol compounds and/or alcohol compounds in the presence of a reaction solvent. Alternatively, the process comprises reacting a liquid reaction mixture obtained in a first stage with at least one member selected among phenol compounds and/or alcohol compounds without isolating phosphonitrile dichloride from the mixture.
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