Patents by Inventor Ernst Tonsen

Ernst Tonsen 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 the continuous production of monocarboxylic acids
    Patent number: 5859269
    Abstract: A process for the continuous production of monocarboxylic acids from the corresponding alcohols by alkali fusion wherein the oxidation is continuously accomplished in an extrusion reactor without addition of diluents and the alkali salts of the monocarboxylic acids are discharged from the reactor as a solid product and are directly neutralised with mineral acids. High-purity monocarboxylic acids are obtained after phase separation.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: January 12, 1999
    Assignee: RWE-DEA Aktiengesellschaft fur Mineraloel und Chemie
    Inventors: Albert Thomas Herrmann, Arnold Meyer, Erich Scherf, Clemens Schroder, Ansgar Reichenauer, Ernst Tonsen