Patents by Inventor Rao C. Surapaneni

Rao C. Surapaneni 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).

  • TNAZ compositions and articles, processes of preparation, TNAZ solutions and uses thereof
    Patent number: 6238501
    Abstract: The invention is a composition containing high loadings of TNAZ that are made by crash precipitation with water as the precipitation agent. The compositions are in the form of powders, which can be formed and shaped by presseing, extrusion, etc. The TNAZ can be from about 94 to about 99% by weight of the composition.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: May 29, 2001
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Daniel Stec, III, Rao C. Surapaneni, Brian E. Travers
  • Process for preparing 1,3,5,7-tetraacetyloctahydro-1,3,5,7-tetrazocine
    Patent number: H50
    Abstract: 1,3,5,7-Tetraacetyloctahydro-1,3,5,7-tetrazocine is produced in improved ld by reacting 1,5-diacetyl-1,3,5,7-tetraazabicyclo-[3.3.1]-nonane with acetic anhydride in the presence of a metal acetate, such as sodium acetate.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: April 1, 1986
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Rao C. Surapaneni, Nathaniel S. Gelber