Patents by Inventor Bala S. Devakottai

Bala S. Devakottai 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).

  • Method for reducing coke fouling in a burner tip
    Patent number: 8313640
    Abstract: A method for reducing coke fouling in a burner tip when a waste gas stream containing unsaturated hydrocarbons is combusted by coating the interior of the burner tip and/or impregnating the body of the burner tip with a hydrocarbon hydrogenation promoting catalyst and/or a combustion catalyst.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: November 20, 2012
    Assignees: Lyondell Chemical Technology, L.P.
    Inventors: Mark P. Kaminsky, Bala S. Devakottai, Sellamuthu G. Chellappan
  • Method for Reducing Coke Fouling in a Burner Tip
    Publication number: 20110042273
    Abstract: A method for reducing coke fouling in a burner tip when a waste gas stream containing unsaturated hydrocarbons is combusted by coating the interior of the burner tip and/or impregnating the body of the burner tip with a hydrocarbon hydrogenation promoting catalyst and/or a combustion catalyst.
    Type: Application
    Filed: August 18, 2009
    Publication date: February 24, 2011
    Inventors: Mark P. Kaminsky, Bala S. Devakottai, Sellamuthu G. Chellappan
  • Hydrocarbon thermal cracking using hardfaced fittings
    Patent number: 7615144
    Abstract: A thermal cracking process that employs (1) a sinusoidal conduit in the convection section of a thermal cracking furnace, (2) a cross-over conduit, and/or (3) a transfer conduit that contains at least one bend fitting, at least one bend fitting carrying a protective layer comprising a steel carrier and carbide pellets composed of submicron hard particles cemented with a metal binder.
    Type: Grant
    Filed: June 6, 2007
    Date of Patent: November 10, 2009
    Assignee: Equistar Chemicals, LP
    Inventors: Bala S. Devakottai, Anthony R. Kiballa, John A. Swanson, Pinakin B. Mistry
  • Method for reducing coke and oligomer formation in a furnace
    Publication number: 20090178956
    Abstract: A method for reducing the formation of coke and oligomers in the convection section of a hydrocarbon pyrolysis furnace, the method comprising reducing the partial pressure of the hydrocarbon feed to the furnace before that feed is mixed with dilution steam.
    Type: Application
    Filed: January 16, 2008
    Publication date: July 16, 2009
    Inventor: Bala S. Devakottai
  • Hydrocarbon thermal cracking using hardfaced fittings
    Publication number: 20080302702
    Abstract: A thermal cracking process that employs (1) a sinusoidal conduit in the convection section of a thermal cracking furnace, (2) a cross-over conduit, and/or (3) a transfer conduit that contains at least one bend fitting, at least one bend fitting carrying a protective layer comprising a steel carrier and carbide pellets composed of submicron hard particles cemented with a metal binder.
    Type: Application
    Filed: June 6, 2007
    Publication date: December 11, 2008
    Inventors: Bala S. Devakottai, Anthony R. Kiballa, John A. Swanson, Pinakin B. Mistry
  • Hydrocarbon cracking
    Patent number: 6948453
    Abstract: A method for controlling fouling of a heat exchanger that operates downstream of a cracking furnace by injecting liquid water upstream of the heat exchanger.
    Type: Grant
    Filed: August 13, 2004
    Date of Patent: September 27, 2005
    Assignee: Equistar Chemicals, LP
    Inventors: David J. DeAngelo, Denise R. Karstensen, Bala S. Devakottai, Shane L. Fandry