Patents by Inventor Hofmann Jurgen

Hofmann Jurgen 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 removal of nitrogen oxides
    Patent number: 4419333
    Abstract: To remove nitrous gases from gas mixtures there is needed a process and apparatus by which they can be eliminated quickly, without formation of secondary waste and as cheaply as possible. This is done by scrubbing the nitrous gases out of the gaseous mixture with 15-50% nitric acid solution and treating this solution additionally with gaseous oxygen, especially atmospheric oxygen.
    Type: Grant
    Filed: July 16, 1982
    Date of Patent: December 6, 1983
    Assignee: Nukem GmbH
    Inventors: Josef Reus, Hans Wewer, Hofmann Jurgen