Patents by Inventor Stephan G. Kleemann

Stephan G. Kleemann 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).

  • Copper-containing polymers, a process for their preparation and their use as fungicides
    Patent number: 4851557
    Abstract: Copper-amine complexes comprised of a water-soluble copper salt and a polyamide-amine can be used as fungicides without the addition of ammonia, and they form firmly adhering coatings on leaf surfaces.
    Type: Grant
    Filed: June 18, 1986
    Date of Patent: July 25, 1989
    Assignee: Benckiser-Knapsack GmbH
    Inventors: Stephan G. Kleemann, Guenter Claus