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).
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Publication number: 20180085701Abstract: 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: ApplicationFiled: September 25, 2017Publication date: March 29, 2018Applicant: Equistar Chemicals, LPInventors: Sellamuthu G. Chellappan, Joseph T. Buckmaster
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Patent number: 8663456Abstract: 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: GrantFiled: November 23, 2010Date of Patent: March 4, 2014Assignee: Equistar Chemicals, LPInventors: Robert S. Bridges, Sellamuthu G. Chellappan
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Patent number: 8658019Abstract: 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: GrantFiled: November 23, 2010Date of Patent: February 25, 2014Assignee: Equistar Chemicals, LPInventors: Robert S. Bridges, Sellamuthu G. Chellappan
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Patent number: 8658022Abstract: 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: GrantFiled: November 23, 2010Date of Patent: February 25, 2014Assignee: Equistar Chemicals, LPInventors: Robert S. Bridges, Sellamuthu G. Chellappan
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Patent number: 8313640Abstract: 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: GrantFiled: August 18, 2009Date of Patent: November 20, 2012Assignees: Lyondell Chemical Technology, L.P.Inventors: Mark P. Kaminsky, Bala S. Devakottai, Sellamuthu G. Chellappan
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Publication number: 20120125812Abstract: 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: ApplicationFiled: November 23, 2010Publication date: May 24, 2012Inventors: Robert S. Bridges, Sellamuthu G. Chellappan
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Publication number: 20120125811Abstract: 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: ApplicationFiled: November 23, 2010Publication date: May 24, 2012Inventors: Robert S. Bridges, Sellamuthu G. Chellappan
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Publication number: 20120125813Abstract: 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: ApplicationFiled: November 23, 2010Publication date: May 24, 2012Inventors: Robert S. Bridges, Sellamuthu G. Chellappan
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Publication number: 20110042273Abstract: 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: ApplicationFiled: August 18, 2009Publication date: February 24, 2011Inventors: Mark P. Kaminsky, Bala S. Devakottai, Sellamuthu G. Chellappan
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Patent number: 7374661Abstract: 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: GrantFiled: October 11, 2005Date of Patent: May 20, 2008Assignee: Equistar Chemicals, LPInventors: Robert S. Bridges, Sellamuthu G. Chellappan
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Patent number: 7153129Abstract: 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: GrantFiled: March 24, 2004Date of Patent: December 26, 2006Assignee: John Zink Company, LLCInventors: Wesley R. Bussman, Richard T. Waibel, Charles E. Baukal, Jr., Roberto Ruiz, I-Ping Chung, Sellamuthu G. Chellappan
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Patent number: 7025590Abstract: 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: GrantFiled: January 15, 2004Date of Patent: April 11, 2006Assignee: John Zink Company, LLCInventors: Wesley R. Bussman, Richard T. Waibel, Charles E. Baukal, Jr., Roberto Ruiz, I-Ping Chung, Sellamuthu G. Chellappan
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Patent number: 6887070Abstract: 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: GrantFiled: February 27, 2004Date of Patent: May 3, 2005Assignee: Equistar Chemicals, LPInventors: Sellamuthu G. Chellappan, William J. Walker, David L. Ramsey