Patents by Inventor Kirstin Langfeld

Kirstin Langfeld 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).

  • Catalyst systems and their use for metathesis reactions
    Patent number: 7737233
    Abstract: Novel catalyst systems for metathesis reactions, in particular for the metathesis of nitrile rubber, which contain a specific salt additive in addition to the metathesis catalyst are provided.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: June 15, 2010
    Assignee: LANXESS Deutschland GmbH
    Inventors: Werner Obrecht, Kirstin Langfeld, Martin Schneider, Oskar Nuyken