Patents by Inventor Anton VAN DER Wiel

Anton VAN DER Wiel 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).

  • Wax treating process
    Patent number: 4140619
    Abstract: The molecular weight of a solid paraffin wax having an oil content of no more than about 2% by weight is increased by contacting the wax at elevated temperature with at least about 5% by weight of an organic peroxide.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: February 20, 1979
    Assignee: Shell Oil Company
    Inventors: Anton VAN DER Wiel, Bernardus C. Ernsting