Polymer-containing organo-metal catalysts
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United States of America Patent
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Dec 14, 2004
Grant Date -
Aug 28, 2003
app pub date -
Jan 7, 2002
filing date -
Jan 7, 2002
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Abstract
The invention relates to polymer-containing catalysts (e.g., polymer-containing organo-metal catalysts) that may be useful in various applications (e.g., polymerization of macrocyclic oligoesters). Advantages of these catalysts include the improved ability to prepare, store, and handle the catalyst in open air; higher molar volume and molecular weight; and the ability to produce a blend of reactants and a catalyst (e.g., a macrocyclic oligoester and a polymerization catalyst) for subsequent one-step reaction (e.g., polymerization of macrocyclic oligoesters).
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