Patents by Inventor Simone Willkommen

Simone Willkommen 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).

  • Slow-release fertilizers and method for production of same
    Publication number: 20030040435
    Abstract: A method is for production of solid agents that contain nutrients for plants, that are coated with at least one biodegradable layer and that are produced by using dispersions containing polymers carrying urethane and urea groups for surface treatment of solid agents containing nutrients for plants.
    Type: Application
    Filed: June 4, 2002
    Publication date: February 27, 2003
    Inventors: Karl Haberle, Matthias Raedle, Udo Geiger, Klaus Horchler, Alexander Wissemeier, Reinhardt Hahndel, Simone Willkommen