Patents by Inventor Michael Sehr

Michael Sehr 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 isolating vinyl acetate
    Patent number: 7301048
    Abstract: A process for isolating vinyl acetate from the gas mixture formed in the reaction of ethylene with acetic acid and oxygen in the gas phase over catalysts comprising palladium or palladium compounds, with recirculation of the acetic-acid solution obtained in the circulating gas scrubber to the first distillation column (predewatering column).
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: November 27, 2007
    Assignee: Celanese Chemicals Europe GmbH
    Inventors: Johann Stamm, Bernd Rinne, Stefan Hess, Hans-Jochen Sachs, Michael Sehr, Michael J. Bayer, Berthold Nuber, Martin Wagner
  • Process for isolating vinyl acetate
    Publication number: 20070032678
    Abstract: A process for isolating vinyl acetate from the gas mixture formed in the reaction of ethylene with acetic acid and oxygen in the gas phase over catalysts comprising palladium or palladium compounds, with recirculation of the acetic-acid solution obtained in the circulating gas scrubber to the first distillation column (predewatering column).
    Type: Application
    Filed: July 11, 2006
    Publication date: February 8, 2007
    Inventors: Johann Stamm, Bernd Rinne, Stefan Hess, Hans-Jochen Sachs, Michael Sehr, Michael Bayer, Berthold Nuber, Martin Wagner