Patents by Inventor Larry A. McDaniel

Larry A. McDaniel 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).

  • Nitration processes
    Patent number: 4621157
    Abstract: The present invention relates to improvements in processes of preparing dinitrated aromatic compounds, particularly dinitrated aniline and dinitrated substituted aniline compounds, employing relatively dilute and then more concentrated nitric acid as the nitrating agent.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: November 4, 1986
    Assignee: Jerome A. Gross
    Inventor: Larry A. McDaniel
  • Nitration processes
    Patent number: RE33168
    Abstract: The present invention relates to improvements in processes of preparing dinitrated .[.aromatic compounds, particularly dinitrated aniline and dinitrated substituted aniline compounds, employing relatively dilute and then more concentrated nitric acid as the nitrating agent.]. .Iadd.aniline and substituted phenol compounds in a two-step process, employing, in the first or mononitration step the spent nitric acid from the second of dinitration step. .Iaddend.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: February 20, 1990
    Assignee: Jerome A. Gross
    Inventor: Larry A. McDaniel