Patents by Inventor Bernd Heiting

Bernd Heiting 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).

  • Method for the regeneration of washing solution utilized for simultaneous washing of nitrous oxide and sulfur dioxide from exhaust gases
    Patent number: 4647441
    Abstract: In a method for the regeneration of washing solution, which is used for washing nitrous oxide and sulfur dioxide out from exhaust gases, a portion of the washing solution containing a complex-forming substance, which is Iron (II)-chelate complex of ethylenediaminotetraacetic acid (EDTA), is removed from the washing solution flowing in a closed circuit, and imidodisulfonate in this portion is separated from the washing solution and is further used as a commercial product.
    Type: Grant
    Filed: May 29, 1985
    Date of Patent: March 3, 1987
    Assignee: Krupp-Koppers GmbH
    Inventor: Bernd Heiting