Patents by Inventor Ludger Heiming

Ludger Heiming 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).

  • Plastic comprising zinc sulphide
    Patent number: 8383712
    Abstract: The present invention relates to a plastic comprising zinc sulphide and to its use.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: February 26, 2013
    Assignee: Sachtleben Chemie GmbH
    Inventors: Stéphane David, Petra Fritzen, Ludger Heiming, Thomas Rentschler
  • PLASTIC COMPRISING ZINC SULPHIDE
    Publication number: 20100160514
    Abstract: The present invention relates to a plastic comprising zinc sulphide and to its use.
    Type: Application
    Filed: June 21, 2007
    Publication date: June 24, 2010
    Inventors: Stephane David, Petra Fritzen, Ludger Heiming, Thomas Rentschler