Patents by Inventor Anton Benning

Anton Benning 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).

  • Processes for the continuous production of aromatic carboxylic acids by oxidation with nitric acid of aromatic compounds containing oxidizable acyclic substituents
    Patent number: 3979448
    Abstract: Processes for the continuous production of aromatic carboxylic acids by reaction of nitric acid with an aromatic compound having an oxidizable alkyl or alkoxyalkyl substitutent which comprise mixing the aromatic compound in the form of small droplets with a large volume of dilute nitric acid having a concentration between 2 and 14% by weight of nitric acid that is maintained at a superatmospheric pressure between 15 and 80 atmospheres and at a temperature between 160.degree. and 230.degree.
    Type: Grant
    Filed: June 11, 1974
    Date of Patent: September 7, 1976
    Assignee: Bergwerksverband GmbH
    Inventors: Kurt Handrick, Anton Benning, Dietrich George, Jurgen Schlegel