Patents by Inventor W. Pfleiderer

W. Pfleiderer 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).

  • Herbicidally effective sulfonylureas
    Patent number: 4826528
    Abstract: This invention relates to sulfonylureas of the formula ##STR1## These compounds are useful in killing weeds and in regulating the growth of cultivated plants.
    Type: Grant
    Filed: June 20, 1985
    Date of Patent: May 2, 1989
    Assignee: Celamerck GmbH & Co. KG.
    Inventors: Rudolf Mengel, W. Pfleiderer, Gerbert Linden, Gerhart Schneider