Patents by Inventor Lars Pollmann

Lars Pollmann 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 PRODUCING COATED PROPPANTS
    Publication number: 20140345864
    Abstract: The present invention relates to a process for the production of coated proppants as well as proppants obtainable by such a process, uses thereof and processes using the proppants.
    Type: Application
    Filed: December 14, 2012
    Publication date: November 27, 2014
    Applicant: Ashland-Sudchemie-Kernfest GMBH
    Inventors: Reinhard Winter, Peter Kuhlmann, Lars Pollmann