PROCESS FOR CONTINUOUSLY PREPARING AN ORGANOPHOSPHORUS COMPOUND AND USE THEREOF
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United States of America Patent
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Issued Date -
Nov 25, 2010
app pub date -
Oct 16, 2008
filing date -
Oct 26, 2007
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Abandoned
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Abstract
The present invention relates to the production of organophosphorus compounds, in particular 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) or derivatives thereof which have been known for many years in prior art. They are used preferably as additives for polymers. In particular the use of DOPO and derivatives thereof as flame retardants for polymers, such as e.g. polyesters, polyamides, epoxy resins, has proved to be advantageous.
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