Patents by Inventor Hans-Gerhard Stadler

Hans-Gerhard Stadler 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).

  • Method for continuously producing alkylamino(meth)acrylamides
    Patent number: 8674133
    Abstract: The invention relates to a process for continuously preparing N-alkyl(meth)acrylamides by reacting alkyl(meth)acrylates with high-boiling amines. A catalyst activation and specific workup technique achieve product qualities which have not been achieved to date. In addition, very high space-time yields and overall yields can be achieved.
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: March 18, 2014
    Assignee: Evonik Röhm GmbH
    Inventors: Bardo Schmitt, Wolfgang Klesse, Martina Ebert, Dirk Broell, Guido Protzmann, Joachim Knebel, Thomas Kehr, Hans-Gerhard Stadler, Gerhard Koelbl, Benedikt Laux
  • METHOD FOR CONTINUOUSLY PRODUCING ALKYLAMINO(METH)ACRYLAMIDES
    Publication number: 20110313195
    Abstract: The invention relates to a process for continuously preparing N-alkyl(meth)acrylamides by reacting alkyl (meth)acrylates with high-boiling amines. A catalyst activation and specific workup technique achieve product qualities which have not been achieved to date. In addition, very high space-time yields and overall yields can be achieved.
    Type: Application
    Filed: March 3, 2010
    Publication date: December 22, 2011
    Inventors: Bardo Schmitt, Wolfgang Klesse, Martina Ebert, Dirk Broell, Guido Protzmann, Joachim Knebel, Thomas Kehr, Hans-Gerhard Stadler, Gerhard Koelbl, Benedikt Laux