Patents by Inventor Gerd Bühler

Gerd Bühler 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).

  • Fertilizer formulations comprising polysulfonic acids
    Patent number: 6489438
    Abstract: Fertilizer formulations comprising polysulfonic acid together with inorganic fertilizers or slurry or liquid fertilizers and one or more nitrification inhibitors.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: December 3, 2002
    Assignee: Compo Gesellschaft MbH & Co., KG
    Inventors: Klaus Erhardt, Matthias Rädle, Vilmos Czikkely, Gerd Bühler