Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 24, 2009
Patent Application Number
11270084
Date Filed
November 9, 2005
Patent Primary Examiner
Patent abstract
N-heterocyclic carbenes are effective catalysts for the polymerization of macrocyclic polyester oligomers. The catalysts provide rapid polymerization, high monomer conversion, high molecular weight, and a mechanically sound material.
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