Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Modesto Erneta0
Terry E. Lawler0
Date of Patent
December 12, 2006
0Patent Application Number
102784940
Date Filed
October 23, 2002
0Patent Primary Examiner
Patent abstract
Monomer addition methodology is provided to adjust monomer addition rates to a polymerization reactor. Advantages of the invention include control of bioabsorbable copolymer structure, improvement of monomer conversion, control of reaction temperature, and reduced reaction time. The overall result is an improved process and enhanced product performance. The technology is particularly useful in the copolymerization of monomers with different reactivity ratios, such as glycolide/lactide copolymers and glycolide/caprolactone copolymers. Monomer reactivity ratios and reaction kinetics are utilized to adjust monomer addition rates.
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