Patents by Inventor Ernst Guenther Nottes

Ernst Guenther Nottes 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).

  • Otto cycle engine fuels containing derivatives of cyclic polycarboxylic acids
    Patent number: 4004894
    Abstract: Otto cycle engine fuels, for example gasoline, can be improved to such an extent by additives that no deposits or residues form in the carburetor or on the valves. In accordance with the invention esters, amides or imides of hydroaromatic polycarboxylic acids are added which are very effective in cleaning the carburetor and the valves.
    Type: Grant
    Filed: March 28, 1975
    Date of Patent: January 25, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinz Nohe, Ernst Guenther Nottes