Patents by Inventor Peter-Reinhard Schick

Peter-Reinhard Schick 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).

  • Separation process for separating cycloalkenes having at least 2 double bonds from a reaction mixture
    Patent number: 6329562
    Abstract: A process for separating off cycloalkenes having at least two double bonds from a reaction mixture in hydrocarbon solution formed during the metathesis of cycloalkamonoenes or cyclomonoene/cyclopolyene mixtures comprising the steps of treating the reaction mixture with zeolites in the liquid phase, absorbing the olefins having at least two double bonds present in the solution by the zeolite, separating off the laden zeolite, and obtaining the cycloalkadienes and cyclopolyenes by desorption.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: December 11, 2001
    Assignee: Haarmann & Reimer GmbH
    Inventors: Ingo Wöhrle, Peter-Reinhard Schick