Patents Assigned to Schuman Sasol GmbH
  • Bitumen or asphalt for the production of road surfaces, road surfaces, and method for the preparation of bitumen or asphalt
    Patent number: 6913416
    Abstract: Bitumen or asphalt for producing a road topping, whereby the bitumen or asphalt contains a proportion of paraffin obtained by Fischer-Tropsch synthesis (FT paraffin). A road topping with the bitumen and a method for producing a corresponding road topping or roadway covering using the bitumen.
    Type: Grant
    Filed: March 20, 2003
    Date of Patent: July 5, 2005
    Assignee: Schuman Sasol GmbH
    Inventors: Günter Hildebrand, Ferdinand Richter, Michael Matthäi, Bruno Iversen, Klaus-Werner Damm