Patents by Inventor Everardus J. A. Van Jole

Everardus J. A. Van Jole 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).

  • Patent number: 5242609
    Abstract: The invention provides lubricating oil compositions containing a base oil functionalized by the presence of aromatic groups attached to molecules of the base oil by a sulfonamido linkage, and their preparation by a process which consists of reacting the base oil with an aromatic sulfonyl azide.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: September 7, 1993
    Assignee: Shell Oil Company
    Inventors: Arie Van Zon, Everardus J. A. Van Jole, Paul G. Gadd