Patents by Inventor Dorothee Heischen

Dorothee Heischen 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).

  • Substituted pyrazolo-pyrimidine-4-ones
    Publication number: 20050209251
    Abstract: The invention relates to compounds of the formula (I) in which Q, R1 and R2 are as defined in the description, to a process for the preparation and to their use as herbicides and/or nematicides.
    Type: Application
    Filed: April 22, 2003
    Publication date: September 22, 2005
    Inventors: Karl-Heinz Linker, Roland Andree, Dorothee Heischen, Hans-Georg Schwarz, Mark-Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen, Peter Losel