Patents by Inventor Mark Archiel Dekeyser

Mark Archiel Dekeyser 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).

  • 4-hydroxybiphenyl hydrazide derivatives
    Patent number: 6093843
    Abstract: Compounds having the formula: ##STR1## wherein R is hydrogen or CO.sub.2 CH(CH.sub.3).sub.2, useful as intermediates in the preparation of the miticide bifenazate, methods for their preparation, and methods for the preparation of bifenazate.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: July 25, 2000
    Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Co./CIE.
    Inventors: Gaik-Lean Chee, Sheldon Bernard Park, Mark Archiel Dekeyser