Patents by Inventor Hans Zopff

Hans Zopff 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 eliminating acidic components from waste gases
    Patent number: 4341745
    Abstract: Acid gases are removed from waste gases by contacting said gases with an orbent which is a direct reaction product a mixture of red mud and an alkaline earth metal hydroxide or aluminum oxide.
    Type: Grant
    Filed: July 18, 1980
    Date of Patent: July 27, 1982
    Assignee: Kommanditgesellschaft "ALBERTA" Chemische Fabrik GmbH & Co.
    Inventors: Hans Zopff, Hans-Ekkehard Muller