Patents by Inventor Rudolf Baanders

Rudolf Baanders 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).

  • Process for preparing bitumen compositions
    Patent number: 5863971
    Abstract: The present invention provides a process for preparing a bitumen composition which comprises mixing at an elevated temperature an oxidised bitumen having a penetration index of at least 0 with a thermoplastic rubber which is present in an amount of less than 5% wt., based on total bitumen composition; bitumen compositions obtainable by such process; and the use of such bitumen compositions in asphalt mixtures for road applications.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: January 26, 1999
    Assignee: Shell Oil Company
    Inventors: Rudolf Baanders, Gerrit Van Gooswilligen, Koen Steernberg