Patents by Inventor Sellamuthu G. Chellappan

Sellamuthu G. Chellappan 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).

  • Publication number: 20180085701
    Abstract: The present disclosure generally relates to strainers for removing particulates from fluid media, including filter assemblies for strainers having improved sealing and straining characteristics.
    Type: Application
    Filed: September 25, 2017
    Publication date: March 29, 2018
    Applicant: Equistar Chemicals, LP
    Inventors: Sellamuthu G. Chellappan, Joseph T. Buckmaster
  • Patent number: 8663456
    Abstract: A hydrocarbon feed is passed to a first zone of a vaporization unit to separate a first vapor stream and a first liquid stream. The first liquid stream is passed to a second zone of the vaporization unit and contacted intimately with a counter-current steam produce a second vapor stream and a second liquid stream. The first vapor stream and the second vapor stream are cracked in the radiant section of the steam cracker to produce a cracked effluent. The second liquid stream is thermally cracked in a coking drum to produce a coker effluent and coke. The coker effluent is separated into a coker gas and a coker liquid. The coker liquid is reacted with hydrogen in the presence of a catalyst to produce a hydroprocessed product. The hydroprocessed product is separated into a gas product and a liquid product. The liquid product is fed to the vaporization unit.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: March 4, 2014
    Assignee: Equistar Chemicals, LP
    Inventors: Robert S. Bridges, Sellamuthu G. Chellappan
  • Patent number: 8658019
    Abstract: A process for cracking a heavy hydrocarbon feed comprising a vaporization step, a coking step, a hydroprocessing step, and a steam cracking step is disclosed.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: February 25, 2014
    Assignee: Equistar Chemicals, LP
    Inventors: Robert S. Bridges, Sellamuthu G. Chellappan
  • Patent number: 8658022
    Abstract: A process for cracking a heavy hydrocarbon feed comprising a vaporization step, a hydroprocessing step, and a steam cracking step is disclosed. The heavy hydrocarbon feed is passed to a first zone of a vaporization unit to separate a first vapor stream and a first liquid stream. The first liquid stream is passed to a second zone of the vaporization unit and contacted intimately with a counter-current steam to produce a second vapor stream and a second liquid stream. The first vapor stream and the second vapor stream are cracked in the radiant section of the steam cracker to produce a cracked effluent. The second liquid stream is reacted with hydrogen in the presence of a catalyst to produce a hydroprocessed product. A liquid hydroprocessed product is fed to the vaporization unit.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: February 25, 2014
    Assignee: Equistar Chemicals, LP
    Inventors: Robert S. Bridges, Sellamuthu G. Chellappan
  • 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
  • Publication number: 20120125812
    Abstract: A process for cracking a heavy hydrocarbon feed comprising a vaporization step, a hydroprocessing step, and a steam cracking step is disclosed. The heavy hydrocarbon feed is passed to a first zone of a vaporization unit to separate a first vapor stream and a first liquid stream. The first liquid stream is passed to a second zone of the vaporization unit and contacted intimately with a counter-current steam produce a second vapor stream and a second liquid stream. The first vapor stream and the second vapor stream are cracked in the radiant section of the steam cracker to produce a cracked effluent. The second liquid stream reacted with hydrogen in the presence of a catalyst to produce a hydroprocessed product. A liquid hydroprocessed product is fed to the vaporization unit.
    Type: Application
    Filed: November 23, 2010
    Publication date: May 24, 2012
    Inventors: Robert S. Bridges, Sellamuthu G. Chellappan
  • Publication number: 20120125811
    Abstract: A process for cracking a heavy hydrocarbon feed comprising a vaporization step, a coking step, a hydroprocessing step, and a steam cracking step is disclosed. The heavy hydrocarbon feed is passed to a first zone of a vaporization unit to separate a first vapor stream and a first liquid stream. The first liquid stream is passed to a second zone of the vaporization unit and contacted intimately with a counter-current steam produce a second vapor stream and a second liquid stream. The first vapor stream and the second vapor stream are cracked in the radiant section of the steam cracker to produce a cracked effluent. The second liquid stream is thermally cracked in a coking drum to produce a coker effluent and coke. The coker effluent is separated into a coker gas and a coker liquid. The coker liquid is reacted with hydrogen in the presence of a catalyst to produce a hydroprocessed product. The hydroprocessed product is separated into a gas product and a liquid product.
    Type: Application
    Filed: November 23, 2010
    Publication date: May 24, 2012
    Inventors: Robert S. Bridges, Sellamuthu G. Chellappan
  • Publication number: 20120125813
    Abstract: A process for cracking a heavy hydrocarbon feed comprising a vaporization step, a coking step, a hydroprocessing step, and a steam cracking step is disclosed. The heavy hydrocarbon feed is passed to a first zone of a vaporization unit to separate a first vapor stream and a first liquid stream. The first liquid stream is passed to a second zone of the vaporization unit and contacted intimately with a counter-current steam produce a second vapor stream and a second liquid stream. The first vapor stream and the second vapor stream are cracked in the radiant section of the steam cracker to produce a cracked effluent. The second liquid stream is distilled in a fractionator to produce an overhead stream, a side draw, and a bottoms stream. The side draw is reacted with hydrogen in the presence of a catalyst to produce a hydroprocessed product. The hydroprocessed product is separated into a gas product and a liquid product. The liquid product is fed to the vaporization unit.
    Type: Application
    Filed: November 23, 2010
    Publication date: May 24, 2012
    Inventors: Robert S. Bridges, Sellamuthu G. Chellappan
  • 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
  • Patent number: 7374661
    Abstract: A method for thermally cracking a hydrocarbonaceous feed material using a combustion fuel fired furnace wherein at least part of the combustion fuel employed in the furnace is syngas.
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: May 20, 2008
    Assignee: Equistar Chemicals, LP
    Inventors: Robert S. Bridges, Sellamuthu G. Chellappan
  • Patent number: 7153129
    Abstract: A remote staged furnace burner configuration includes placement of secondary fuel gas nozzles remote from burners. This configuration brings about an increased mixing of secondary fuel with furnace fuel gases. As a result, the temperature of the burning fuel gas is lowered and NOX formation is reduced.
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: December 26, 2006
    Assignee: John Zink Company, LLC
    Inventors: Wesley R. Bussman, Richard T. Waibel, Charles E. Baukal, Jr., Roberto Ruiz, I-Ping Chung, Sellamuthu G. Chellappan
  • Patent number: 7025590
    Abstract: A remote staged radiant wall furnace burner configuration includes placement of secondary fuel gas nozzles remote from radiant wall burners. This configuration brings about an increased mixing of secondary fuel with furnace flue gases. As a result, the temperature of the burning fuel gas is lowered and NOX formation is reduced.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: April 11, 2006
    Assignee: John Zink Company, LLC
    Inventors: Wesley R. Bussman, Richard T. Waibel, Charles E. Baukal, Jr., Roberto Ruiz, I-Ping Chung, Sellamuthu G. Chellappan
  • Patent number: 6887070
    Abstract: A method and apparatus for continuing the operation of a fuel fired furnace when the air supply from the blower to the furnace is interrupted by employing a combination of a ventilator and drop door, the ventilator having a power source independent of the blower.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: May 3, 2005
    Assignee: Equistar Chemicals, LP
    Inventors: Sellamuthu G. Chellappan, William J. Walker, David L. Ramsey