Patents by Inventor Robert Allison Kunz

Robert Allison Kunz 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: 4069262
    Abstract: An improved process for preparing 2-fluoronitrobenzene by reacting 2-chloronitrobenzene with ultra-fine particulate potassium fluoride in tetramethylene sulfone with a macrocyclic ether or a quaternary ammonium halide catalyst. 2-fluoronitrobenzene is an intermediate useful in the preparation of certain known herbicides.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: January 17, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Robert Allison Kunz