Process using a cyclic carbonate reactant
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United States of America Patent
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Issued Date -
May 26, 2005
app pub date -
Jul 9, 2004
filing date -
Feb 7, 2002
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a process wherein a cyclic carbonate compound is reacted with a compound containing a nucleophilic group, especially an amine group, in the presence of a catalyst comprising a lithium compound. Such reactions permit to obtain urethane groups useful in polymer preparation, such as polyurethanes, or other urethane-containing polymers.
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