Patents by Inventor Tapan Chakrabaty

Tapan Chakrabaty 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).

  • Fischer-tropsch process water emulsions of hydrocarbons (law548)
    Patent number: 6458855
    Abstract: Stable hydrocarbon in water emulsions are formed by emulsifying the hydrocarbon with a non-ionic surfactant and water obtained from the Fischer-Tropsch process.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: October 1, 2002
    Assignee: Exxon Research and Engineering Company
    Inventors: Robert J. Wittenbrink, Paul J. Berlowitz, Tapan Chakrabaty, Loren L. Ansell
  • Water emulsions of Fischer-Tropsch liquids (LAW516)
    Patent number: 6294587
    Abstract: Fischer-Tropsch liquids, useful as distillate fuels are emulsified with water and a non-ionic surfactant.
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: September 25, 2001
    Assignee: Exxon Research and Engineering Company
    Inventors: Robert J. Wittenbrink, Paul J. Berlowitz, Tapan Chakrabaty, Loren L. Ansell, Daniel F. Ryan