Patents by Inventor Stefan Grabowski

Stefan Grabowski 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).

  • Liquid sulfur-containing oligosiloxanes and their use in rubber mixtures
    Patent number: 6689834
    Abstract: The invention relates to sulfur-containing oligosiloxanes which are liquid at −25-100° C., processes for their preparation and their use in silica-containing rubber mixtures which can be crosslinked with sulfur.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: February 10, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jürgen Ackermann, Hermann-Josef Weidenhaupt, Stefan Grabowski
  • Adhesives for increasing the adhesion between rubbers and reinforcing materials
    Publication number: 20020151620
    Abstract: The present invention relates to adhesives for increasing the adhesion between rubbers and reinforcing materials based on metals, organic polymers or ceramic materials and the use of adhesives to produce rubber mixtures or rubber vulcanizates containing reinforcing materials.
    Type: Application
    Filed: February 1, 2002
    Publication date: October 17, 2002
    Inventors: Bernhard Jansen, Rudiger Schubart, Stefan Grabowski, Hermann-Josef Weidenhaupt
  • Liquid sulfur-containing oligosiloxanes and their use in rubber mixtures
    Publication number: 20020091187
    Abstract: The invention relates to sulfur-containing oligosiloxanes which are liquid at −25-100° C., processes for their preparation and their use in silica-containing rubber mixtures which can be crosslinked with sulfur.
    Type: Application
    Filed: September 7, 2001
    Publication date: July 11, 2002
    Inventors: Jurgen Ackermann, Hermann-Josef Weidenhaupt, Stefan Grabowski