Patents by Inventor Thomas E. Nickson

Thomas E. Nickson 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).

  • Chemical intermediates and a process for their preparation
    Patent number: 4745219
    Abstract: This invention pertains to chemical intermediates for a new class of 2-haloacetanilide herbicides and a process for preparation of these intermediates. The process generally involves nitration of substituted benzotrifluoride compounds.
    Type: Grant
    Filed: August 8, 1986
    Date of Patent: May 17, 1988
    Assignee: Monsanto Company
    Inventors: Thomas E. Nickson, John P. Chupp, Thomas E. Neumann
  • Substituted benzotrifluoride compounds as chemical intermediates and a process for their preparation
    Patent number: 4532353
    Abstract: This invention pertains to two substituted benzotrifluoride compounds useful as chemical intermediates for a new class of 2-haloacetanilide herbicides and a process for making these intermediates. The process generally involves nitration and reduction of the corresponding benzotrifluoride compound.
    Type: Grant
    Filed: June 16, 1983
    Date of Patent: July 30, 1985
    Assignee: Monsanto Co.
    Inventors: John P. Chupp, Audrey Y. Ku, Thomas E. Neumann, Thomas E. Nickson
  • Process for separating nitration isomers of substituted benzene compounds
    Patent number: 4503276
    Abstract: This invention pertains to a process for separating nitration isomers of 1,3-disubstituted and 1,2,4-trisubstituted benzene compounds. The separated isomers have a variety of uses including precursors for 2-haloacetanilide herbicides.
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: March 5, 1985
    Assignee: Monsanto Company
    Inventor: Thomas E. Nickson