Patents by Inventor Tapantosh Chakrabary

Tapantosh Chakrabary 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).

  • Reducing foulant carry-over or build up in a paraffinic froth treatment process
    Patent number: 8636897
    Abstract: A use of a foulant collector in a vessel or conduit in a paraffinic froth treatment (PFT) process. The foulant comprises asphaltenes. The foulant collectors are purposed to reduce build-up in the vessel or conduit and/or to reduce downstream foulant carry-over in the process. The surface of the foulant collectors may have an average water contact angle of less than 90 degrees. Additionally, together with such foulant collectors, a fluorocarbon polymer may be used as a surface of a vessel or conduit in the PFT process, for reducing fouling.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: January 28, 2014
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Tapantosh Chakrabary, Mohsen Yeganeh, Limin Song, Ken Sury
  • Reducing Foulant Carry-Over or Build Up In A Paraffinic Froth Treatment Process
    Publication number: 20100243535
    Abstract: A use of a foulant collector in a vessel or conduit in a paraffinic froth treatment (PFT) process. The foulant comprises asphaltenes. The foulant collectors are purposed to reduce build-up in the vessel or conduit and/or to reduce downstream foulant carry-over in the process. The surface of the foulant collectors may have an average water contact angle of less than 90 degrees. Additionally, together with such foulant collectors, a fluorocarbon polymer may be used as a surface of a vessel or conduit in the PFT process, for reducing fouling.
    Type: Application
    Filed: June 18, 2008
    Publication date: September 30, 2010
    Inventors: Tapantosh Chakrabary, Mohsen Yeganeh, Limin Song, Ken Sury