Patents Represented by Attorney Bayer Donelson Bearman, Caldwell & Berkowitz, PC

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  • Method for producing 2,2-difluoroethylamine derivative by amide hydrogenation
    Patent number: 8273897
    Abstract: Process for preparing 2,2-difluoroethylamine derivatives, wherein compounds of the general formula (IV) are reduced to the corresponding 2,2-difluoroethylamine derivatives of the general formula (III), where the A radical is as defined in the description:
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: September 25, 2012
    Assignee: Bayer Cropscience AG
    Inventors: Norbert Lui, Stefan Antons