Patents by Inventor Madelinde G. F. M. van Grieken

Madelinde G. F. M. van Grieken 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).

  • Diesel fuel additives
    Patent number: 5139534
    Abstract: The invention provides a diesel fuel additive for reducing fouling of injectors in diesel engines consisting of at least an effective concentration of a nitrogen-containing compound of general formulaCH.sub.3 (CH.sub.2).sub.n --A--NH.sub.2 (I)wherein n is 4 to 18 and A is --CH.sub.2 -- or --CO--, or a mixture thereof as an additive in a diesel fuel comprising a major proportion of a diesel oil and a method for using said additive.
    Type: Grant
    Filed: March 18, 1991
    Date of Patent: August 18, 1992
    Assignee: Shell Oil Company
    Inventors: Henricus P. M. Tomassen, Madelinde G. F. M. van Grieken, Keith Reading