Patents by Inventor Stephen E. Dinizo

Stephen E. Dinizo 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 ortho-nitrobenzonitriles
    Patent number: 4886936
    Abstract: Ortho-nitrobenzonitriles are produced from the corresponding ortho-nitrochlorobenzenes by reaction with cuprous cyanide and an alkali metal bromide, an alkaline earth metal bromide, or zinc bromide or with a combination of lithium cyanide and cuprous bromide, optionally in the presence of a solvent.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: December 12, 1989
    Assignee: ICI Americas Inc.
    Inventor: Stephen E. Dinizo
  • Production of 2-nitro-4-trifluoromethylbenzoic acid
    Patent number: 4868333
    Abstract: 2-Nitro-4-trifluoromethylbenzoic acid is produced by hydrolysis of 2-nitro-4-trifluoromethylbenzonitrile in the presence of relatively concentrated hydrochloric or hydrobromic acid under reflux temperature.
    Type: Grant
    Filed: November 16, 1987
    Date of Patent: September 19, 1989
    Assignee: ICI Americas Inc.
    Inventors: Stephen E. Dinizo, Richard D. Gless, Jr.
  • Isothiourea herbicidal composition
    Patent number: 4714493
    Abstract: This invention relates to the herbicide N,N'-(N''-isopropylcarbamyl,N'''-isopropylcarbamyl)-S-ethylisothiourea, its use and process for making the same.
    Type: Grant
    Filed: May 24, 1985
    Date of Patent: December 22, 1987
    Assignee: Stauffer Chemical Company
    Inventors: Marcelo Kogan, Stephen E. Dinizo, Llewellyn W. Fancher