Patents by Inventor Robert A. North

Robert A. North 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).

  • Process for the production of fluoronitrobenzenes
    Patent number: 4287374
    Abstract: A fluoronitrobenzene is prepared by heating a mono chloronitrobenzene with an alkali metal fluoride and a phase transfer catalyst at a temperature of no more than 200.degree. C.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: September 1, 1981
    Assignee: The Boots Company
    Inventor: Robert A. North