Patents by Inventor Andrew Leadbeater

Andrew Leadbeater 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: 5250557
    Abstract: The combination of the plant microbicide 4-(2,2-difluoro-1,3-benzodioxol-7-yl)-1H-pyrrole-3-carbonitrile with the plant microbicide 1-{2-[2-chloro-4-(4-chlorophenoxy)phenyl]-4-methyl-1,3-dioxolan-2-ylmethyl }-1H-1,2,4-triazole results in a synergistically increased effect in the control of plant diseases. Microbicidal compositions based on such combinations are suitable for treating crops of plants and natural products of vegetable and animal origin, and for seed treatment.
    Type: Grant
    Filed: November 15, 1991
    Date of Patent: October 5, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Andrew Leadbeater, Bernhard Steck, Robert Nyfeler