Patents by Inventor André Stoller

André Stoller 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).

  • Patent number: 6410480
    Abstract: The present invention relates to novel herbicidally active 3-hydroxy-4-aryl-5-oxopyrazoline derivatives, to processes for their preparation, to compositions which comprise these compounds and may additionally comprise safeners, and to the use of these compounds as herbicides for controlling weeds and grasses, in particular in crops of useful plants.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: June 25, 2002
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Michel Mühlebach, Jutta Glock, Thomas Maetzke, André Stoller
  • Patent number: 6362134
    Abstract: Compounds of formula (I), in which R1, R2 and R3 are as defined in claim 1, are particularly suitable as herbicides.
    Type: Grant
    Filed: July 1, 1998
    Date of Patent: March 26, 2002
    Assignee: Syngenta Investment Corporation
    Inventors: Helmut Zondler, André Stoller
  • Patent number: 6268308
    Abstract: Compounds of formula (I) in which Qi is an unsaturated five-membered optionally substituted or condensed heterocyclic ring and X is O, S, SO or SO2, and agronomically tolerated salts/N-oxides/isomers/enantiomers of these compounds are suitable as herbicides
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: July 31, 2001
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: André Stoller, Walter Kunz, Helmut Zondler, Christoph Lüthy, Jean Wenger