Patents by Inventor Robert-Hans Schuster

Robert-Hans Schuster 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).

  • Vulcanizable rubber mixes
    Patent number: 6750275
    Abstract: The present invention relates to vulcanizable rubber mixes which, apart from the rubbers, contain O,O-bis-(alkyl)-dithiophosphoric acid polysulfides and primary and/or secondary amines, which are characterized in that they may be vulcanized without release of nitrosamines with a high crosslink density and a high proportion of short sulfur bridges.
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: June 15, 2004
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Thomas Früh, Ludger Heiliger, Thomas Kleiner, Hermann-Josef Weidenhaupt, Robert-Hans Schuster, Joachim Kiesekamp
  • Vulcanizable rubber mixes
    Publication number: 20010012866
    Abstract: The present invention relates to vulcanizable rubber mixes which, apart from the rubbers, contain O,O-bis-(alkyl)-dithiophosphoric acid polysulfides and primary and/or secondary amines, which are characterized in that they may be vulcanized without release of nitrosamines with a high crosslink density and a high proportion of short sulfur bridges.
    Type: Application
    Filed: January 18, 2001
    Publication date: August 9, 2001
    Inventors: Thomas Fruh, Ludger Heiliger, Thomas Kleiner, Hermann-Josef Weidenhaupt, Robert-Hans Schuster, Joachim Kiesekamp