Patents by Inventor Zolt an Benk o

Zolt an Benk o 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).

  • N-aryl[1,2,4]triazolo[1,5-a]pyridine-2-sulfonamide herbicides
    Patent number: 5571775
    Abstract: Substituted N-aryl[1,2,4]triazolo[1,5-a]pyridine-2-sulfonamide compounds, such as N-(2,6-difluorophenyl)-5-methoxy-7-methyl[1,2,4]triazolo[1,5-a]pyridine-2- sulfonamide, N-(4-bromo-1-methyl-3-pyrazoly)-8-chloro-5-methoxy[1,2,4]triazolo[1,5-a]py ridine-2-sulfonamide, and N-(2-fluoro-4-methyl-3-pyridinyl)-8-ethoxy-6-chloro[1,2,4]triazolo[1,5-a]- pyridine-2-sulfonamide, were prepared by condensation of a 2-chlorosulfonyl[1,2,4]triazolo[1,5-a]pyridine compound with an aryl amine. The compounds prepared were found to possess excellent herbicidal activity on a broad spectrum of vegetation at low application rates.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 5, 1996
    Assignee: DowElanco
    Inventors: John C. Van Heertum, William A. Kleschick, Kim E. Arndt, Mark J. Costales, Robert J. Ehr, Kimberly B. Bradley, Walter Reifschneider, Zolt an Benk o, John J. Jachetta