Patents by Inventor Sreenivasa R. Eturi

Sreenivasa R. Eturi 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).

  • Conversion of trinitrotoluene into high value compounds
    Patent number: 5969155
    Abstract: The present invention is directed to the synthesis of useful products from the explosive trinitrotoluene. This substance has a limited shelf life as a reliable explosive and large quantities of it have and will become surplus. Ecologically safe, and preferably commercially useful ways of disposing of it are therefore much to be desired. In the present invention the end products are nitroindoles of the general formula 4-Z.sup.1,6-Z.sup.2 indole wherein Z.sup.1 and Z.sup.2 are the same or different and are halo or nitro provided at least one of said groups is nitro.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: October 19, 1999
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Sreenivasa R. Eturi, Abdollah Bashir-Hashemi, Sury Iyer