Patents by Inventor Willard J. Jones

Willard J. Jones 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).

  • Production of dinitrodiphenyl ether
    Patent number: 4558164
    Abstract: A process for preparing a symmetrical dinitrodiphenyl ether from o- or p-nitrochlorobenzene or o- or p-nitrofluorobenzene comprising using a polar organic solvent, a potassium salt of a fatty carboxylic acid containing 2 to 20 carbon atoms or a potassium salt of an aromatic carboxylic acid containing 7 to 12 carbon atoms as catalyst, and either sodium or potassium carbonate to react with the p-nitrochlorobenzene. The reaction is carried out at from 150.degree. to 210.degree. C. until the o- or p-nitrochlorobenzene or o- or p-nitrofluorobenzene reacts.
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: December 10, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Willard J. Jones, Thomas P. Gannett