Patents by Inventor Christian SEVERINS

Christian SEVERINS has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PROCESS FOR PREPARING 2,2-DIFLUOROETHYLAMINE FROM 2,2-DIFLUORO-1-CHLOROETHANE AND AMMONIA
    Publication number: 20120184777
    Abstract: Process for preparing 2,2-difluoroethylamine, comprising the following steps: (i) mixing 2,2-difluoro-1-chloroethane and gaseous, liquid or supercritical ammonia in a pressure-stable, closed reaction vessel under a pressure in the range from 10 to 180 bar; (ii) reacting the reaction mixture at a reaction temperature in the range from 80° C. to 200° C.; (iii) letting down the reaction mixture and isolating 2,2-difluoroethylamine.
    Type: Application
    Filed: January 11, 2012
    Publication date: July 19, 2012
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Norbert LUI, Rafael WARSITZ, Christian FUNKE, Christian SEVERINS