Patents by Inventor Suresh C. Suri

Suresh C. Suri 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).

  • Synthesis of butadiynes
    Patent number: 7217851
    Abstract: Provided is a method for the synthesis of 1,4-dicyclopropyl-1,3-butadiyne from CPA. Such butadiyne is prepared by oxidative coupling of cyclopropyl acetylene (CPA) using catalytic amounts each of copper (I)chloride and tetrametylethylenediamine (TMEDA) in isopropanol under aerobic conditions. The resulting butadiyne can serve as a fuel or a fuel additive for combustion in engines propelling motor vehicles, marine vessels, aircraft, rockets and other vehicles.
    Type: Grant
    Filed: March 31, 2004
    Date of Patent: May 15, 2007
    Assignee: United States of America as represented by the Secretary of the Air Force
    Inventors: Suresh C. Suri, Michael G. Tinnirello
  • Sulfalation of tetraol
    Patent number: 6180799
    Abstract: Provided are novel methods for preparing pentaerythritol disulfite employing reduced amounts of thionyl chloride and 1,2-dichloroethane as reaction media. Also disclosed is the first synthesis of pentaerythritol disulfate by oxydation of the above pentaerythritol disulfite. Both the disulfite (2) and the disulfate (3) are obtained in high yields.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: January 30, 2001
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Suresh C. Suri, Stephen L. Rodgers