Organo-titanate catalysts for preparing pure macrocyclic oligoesters
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United States of America Patent
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Sep 7, 2004
Grant Date -
Jun 19, 2003
app pub date -
Oct 9, 2001
filing date -
Oct 9, 2001
priority date (Note) -
Expired
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Abstract
Organo-titanate catalysts are prepared that are useful to catalyze depolymerization of a polyester to produce macrocyclic oligoesters substantially free from macrocyclic co-oligoesters.
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