Patents by Inventor Udo BIRKENBEUL

Udo BIRKENBEUL 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 THE PRODUCTION OF ABS COMPOSITIONS HAVING AN IMPROVED SURFACE
    Publication number: 20160009870
    Abstract: The invention relates to a method for producing compositions containing vinylaromatic copolymers which are obtained in an emulsion polymerization process and comprise production-related salt inclusions. Said compositions are characterized by an improved surface quality once the granulates have been moistened by bringing same in contact with liquid water and have been stored in said water, thus making the compositions suitable for producing molded articles having a class A surface that remains flawless over time.
    Type: Application
    Filed: February 5, 2014
    Publication date: January 14, 2016
    Applicant: BAYER MATERIAL SCIENCE AG
    Inventors: Hans-Juergen THIEM, Ingmar HERMSDORFER, Birgit MANNEL, Andreas SEIDEL, Eckhard WENZ, Hans-Juergen KLANKERS, Udo BIRKENBEUL, Alfred SATZINGER