Patents Represented by Attorney Dannis V. Carmen

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  • Polyester production system employing recirculation of hot alcohol to esterification zone
    Patent number: 7649109
    Abstract: A polyester production process employing an esterification system that uses a distillation column to recover alcohol produced from an esterification zone and then recirculates the recovered alcohol back to the esterification zone without substantially cooling the recovered alcohol.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: January 19, 2010
    Assignee: Eastman Chemical Company
    Inventor: Bruce Roger DeBruin