Patents by Inventor Stefan Plass

Stefan Plass 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).

  • POLYMETHACRYLIMIDE FOAMS HAVING A REDUCED RESIDUAL MONOMER CONTENT, AND PRODUCTION METHOD
    Publication number: 20130281561
    Abstract: The invention relates to a process for producing poly(meth)acrylimide foams and also blocks, sheets and the like composed of such poly(meth)acrylimide foams and also the intermediate articles formed from the copolymer of (meth)acrylic acid and (meth)acrylonitrile, which are all distinguished by a particularly low residual monomer content.
    Type: Application
    Filed: December 13, 2011
    Publication date: October 24, 2013
    Applicant: Evonik Roehm GmbH
    Inventors: Kay Bernhard, Mathias Hempler, Stefan Plass, Werner Geyer, Thomas Barthel