Patents by Inventor David Edward SHERWOOD

David Edward SHERWOOD 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: 20200055033
    Abstract: An improved process for the hydroconversion of micro carbon residue content of heavy hydrocarbon feedstocks by the use of a catalyst composition that is especially useful in the conversion of micro carbon residue of such feedstocks. The catalyst composition is a low surface area composition that further has a specifically define pore structure the combination of which provides for its enhance micro carbon residue conversion property.
    Type: Application
    Filed: October 25, 2019
    Publication date: February 20, 2020
    Inventors: Josiane Marie-Rose GINESTRA, David Edward SHERWOOD, David Andrew KOMAR
  • Patent number: 10507459
    Abstract: An improved process for the hydroconversion of micro carbon residue content of heavy hydrocarbon feedstocks by the use of a catalyst composition that is especially useful in the conversion of micro carbon residue of such feedstocks. The catalyst composition is a low surface area composition that further has a specifically define pore structure the combination of which provides for its enhance micro carbon residue conversion property.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: December 17, 2019
    Assignee: SHELL OIL COMPANY
    Inventors: Josiane Marie-Rose Ginestra, David Edward Sherwood, David Andrew Komar
  • Patent number: 10118161
    Abstract: A hydroconversion catalyst comprising a Group VIB metal component, a Group VIII metal component and a carrier material is disclosed wherein the catalyst has a total pore volume of 0.5 to 0.9 cc/g; and a pore volume distribution such that greater than 60% of pore volume are in pores present as micropores of diameter between 55 and 115 ?, less than 0.12 cc/g of pore volume are in pores present at pores of diameter greater than 160 ? and greater than 5% of the total pore volume is in pores of diameter greater than 210 ?.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: November 6, 2018
    Assignee: SHELL OIL COMPANY
    Inventors: John George Kester, David Andrew Komar, David Edward Sherwood
  • Publication number: 20160256856
    Abstract: A hydroconversion catalyst comprising a Group VIB metal component, a Group VIII metal component and a carrier material is disclosed wherein the catalyst has a total pore volume of 0.5 to 0.9 cc/g; and a pore volume distribution such that greater than 60% of pore volume are in pores present as micropores of diameter between 55 and 115 ?, less than 0.12 cc/g of pore volume are in pores present at pores of diameter greater than 160 ? and greater than 5% of the total pore volume is in pores of diameter greater than 210 ?.
    Type: Application
    Filed: May 17, 2016
    Publication date: September 8, 2016
    Inventors: John George KESTER, David Andrew KOMAR, David Edward SHERWOOD
  • Patent number: 9371496
    Abstract: A hydroconversion catalyst comprising a Group VIB metal component, a Group VIII metal component and a carrier material is disclosed wherein said catalyst has a total surface area of 240 to 360 m2/g; a total pore volume of 0.5 to 0.9 cc/g; and a pore volume distribution such that greater than 60% of pore volume are in pores present as micropores of diameter between 55 and 115 ?, less than 0.12 cc/g of pore volume are in pores present at pores of diameter greater than 160 ? and less than 10% of pore volume are in pores present as macropores of diameters greater than 250 ?.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: June 21, 2016
    Assignee: Shell Oil Company
    Inventors: John George Kester, David Andrew Komar, David Edward Sherwood
  • Publication number: 20150144531
    Abstract: An improved process for the hydroconversion of micro carbon residue content of heavy hydrocarbon feedstocks by the use of a catalyst composition that is especially useful in the conversion of micro carbon residue of such feedstocks. The catalyst composition is a low surface area composition that further has a specifically define pore structure the combination of which provides for its enhance micro carbon residue conversion property.
    Type: Application
    Filed: November 20, 2014
    Publication date: May 28, 2015
    Inventors: Josiane Marie-Rose GINSTRA, David Edward SHERWOOD, David Andrew KOMAR
  • Patent number: 9039891
    Abstract: A catalyst composition that is especially useful in the hydroconversion of pitch, micro carbon residue and sulfur contents of a heavy hydrocarbon feedstock without the excessive formation of sediment. The catalyst composition is a reasonably high surface area composition containing alumina and a low molybdenum content with a high ratio of nickel-to-molybdenum. The catalyst composition further has a unique pore distribution that in combination with the special metals loading provide for good conversion of pitch and micro carbon residue without an excessive yield of sediment.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: May 26, 2015
    Assignee: Shell Oil Company
    Inventors: Josiane Marie-Rose Ginestra, John George Kester, David Andrew Komar, David Edward Sherwood, Jr.
  • Publication number: 20140183099
    Abstract: A catalyst composition that is especially useful in the hydroconversion of pitch, micro carbon residue and sulfur contents of a heavy hydrocarbon feedstock without the excessive formation of sediment. The catalyst composition is a reasonably high surface area composition containing alumina and a low molybdenum content with a high ratio of nickel-to-molybdenum. The catalyst composition further has a unique pore distribution that in combination with the special metals loading provide for good conversion of pitch and micro carbon residue without an excessive yield of sediment.
    Type: Application
    Filed: March 5, 2014
    Publication date: July 3, 2014
    Applicant: SHELL OIL COMPANY
    Inventors: Josiane Marie-Rose GINESTRA, John George KESTER, David Andrew KOMAR, David Edward SHERWOOD, JR.
  • Patent number: 8709968
    Abstract: A catalyst composition that is especially useful in the hydroconversion of pitch, micro carbon residue and sulfur contents of a heavy hydrocarbon feedstock without the excessive formation of sediment. The catalyst composition is a reasonably high surface area composition containing alumina and a low molybdenum content with a high ratio of nickel-to-molybdenum. The catalyst composition further has a unique pore distribution that in combination with the special metals loading provide for good conversion of pitch and micro carbon residue without an excessive yield of sediment.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: April 29, 2014
    Assignee: Shell Oil Company
    Inventors: Josiane Maria-Rose Ginestra, John George Kester, David Andrew Komar, David Edward Sherwood
  • Publication number: 20130306517
    Abstract: A hydroconversion catalyst comprising a Group VIB metal component, a Group VIII metal component and a carrier material is disclosed wherein said catalyst has a total surface area of 240 to 360 m2/g; a total pore volume of 0.5 to 0.9 cc/g; and a pore volume distribution such that greater than 60% of pore volume are in pores present as micropores of diameter between 55 and 115 ?, less than 0.12 cc/g of pore volume are in pores present at pores of diameter greater than 160 ? and less than 10% of pore volume are in pores present as macropores of diameters greater than 250 ?.
    Type: Application
    Filed: May 20, 2013
    Publication date: November 21, 2013
    Inventors: John George KESTER, David Andrew KOMAR, David Edward SHERWOOD
  • Patent number: 8372268
    Abstract: A catalyst composition that is especially useful in the hydroconversion of pitch, micro carbon residue and sulfur contents of a heavy hydrocarbon feedstock without the excessive formation of sediment. The catalyst composition is a reasonably high surface area composition containing alumina and a low molybdenum content with a high ratio of nickel-to-molybdenum. The catalyst composition further has a unique pore distribution that in combination with the special metals loading provide for good conversion of pitch and micro carbon residue without an excessive yield of sediment.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: February 12, 2013
    Assignee: Shell Oil Company
    Inventors: Josiane Marie-Rose Ginestra, John G. Kester, David Andrew Komar, David Edward Sherwood, Jr.
  • Publication number: 20100243526
    Abstract: A catalyst composition that is especially useful in the hydroconversion of pitch, micro carbon residue and sulfur contents of a heavy hydrocarbon feedstock without the excessive formation of sediment. The catalyst composition is a reasonably high surface area composition containing alumina and a low molybdenum content with a high ratio of nickel-to-molybdenum. The catalyst composition further has a unique pore distribution that in combination with the special metals loading provide for good conversion of pitch and micro carbon residue without an excessive yield of sediment.
    Type: Application
    Filed: October 1, 2009
    Publication date: September 30, 2010
    Inventors: Josiane Marie-Rose GINESTRA, John G. Kester, David Andrew Komar, David Edward Sherwood, JR.
  • Patent number: 6387248
    Abstract: A catalyst characterized by its ability to hydrotreat a charge hydrocarbon feed containing components boiling above 1000° F., and sediment-formers, sulfur, metals, asphaltenes, carbon residue, and nitrogen is prepared by mulling a porous alumina support with a salt of a Group VIII metal oxide and with a salt of a Group VI-B metal oxide in the presence of an acid to provide a mixture, by extruding the mixture to form an extrudate, by drying the extrudate and by subjecting the dried extrudate to hydrothermal calcination to provide the catalyst.
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: May 14, 2002
    Assignee: Texaco Inc.
    Inventors: David Edward Sherwood, Jr., Pei-Shing Eugene Dai
  • Publication number: 20020000397
    Abstract: A catalyst characterized by its ability to hydrotreat a charge hydrocarbon feed containing components boiling above 1000° F., and sediment-formers, sulfur, metals, asphaltenes, carbon residue, and nitrogen is prepared by mulling a porous alumina support with a salt of a Group VIII metal oxide and with a salt of a Group VI-B metal oxide in the presence of an acid to provide a mixture, by extruding the mixture to form an extrudate, by drying the extrudate and by subjecting the dried extrudate to hydrothermal calcination to provide the catalyst.
    Type: Application
    Filed: November 6, 1997
    Publication date: January 3, 2002
    Inventors: DAVID EDWARD SHERWOOD JR., PEI-SHING EUGENE DAI
  • Patent number: 6136179
    Abstract: This invention relates to a process of catalytic hydroconversion of a heavy hydrocarbon oil containing a substantial portion of components having an atmospheric boiling point above 565.degree. C. to give a product hydrocarbon oil containing components having a boiling point below about 565.degree. C. The process includes steps of mixing a heavy hydrocarbon oil with an oil soluble molybdenum compound, introducing the resulting mixture into a hydroconversion zone, introducing a reactor feed gas into the hydroconversion zone, and recovering the product hydrocarbon oil from the hydroconversion zone.
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: October 24, 2000
    Assignee: Texaco Inc.
    Inventors: David Edward Sherwood, Jr., Michael Kevin Porter
  • Patent number: 5968348
    Abstract: A process for converting a charge of heavy hydrocarbons containing components boiling above 1000.degree. F. to a product containing a decreased content of components boiling above 1000.degree. F. and decreased sediment content employing a NiMo catalyst having a specified pore distribution under hydroconversion conditions is disclosed. The process includes contacting the charge of heavy hydrocarbon with hydrogen in the presence of a heterogeneous catalyst supported on alumina and containing .ltoreq.2.5 wt % of silica and bearing 2.2 to 6 wt % of a Group VIII metal oxide, 7 to 24 wt % of a Group VIB metal oxide and 0.3 to 2 wt % of a loaded phosphorus oxide, the phosphorous being loaded onto the catalyst as aqueous phosphoric acid. The catalyst also may be characterized by having a Total Surface Area of 175 to 205 m.sup.2 /g, a Total Pore Volume of 0.82 to 0.98 cc/g, and a Pore Diameter Distribution wherein 29.6 to 33.0% of the Total Pore Volume is present as macropores of diameter greater than 250 .ANG., 67.
    Type: Grant
    Filed: August 24, 1995
    Date of Patent: October 19, 1999
    Assignee: Texaco Inc.
    Inventor: David Edward Sherwood, Jr.
  • Patent number: 5928499
    Abstract: A process for hydrotreating a hydrocarbon feed containing components boiling above 1000.degree. F. and sulfur, metals and carbon residue utilizing a heterogeneous catalyst having a specified pore size distribution, median pore diameter by surface area and pore mode by volume, to give a product containing a decreased content of components boiling above 1000.degree. F. and decreased sulfur, metals and carbon residue is disclosed. The process includes contacting the hydrocarbon feed with hydrogen in the presence of the catalyst at isothermal hydroconversion conditions. The catalyst includes an porous alumina support containing less than or equal to 2.5 wt % silica on the finished catalyst basis, and bearing 2.2 to 6 wt % of a Group VIII metal oxide, 7 to 24 wt % of a Group VIB metal oxide and preferably less than 0.2 wt % of a phosphorous oxide. The catalyst may be characterized as having a Total Surface Area of 215 to 245 m.sup.2 /g, a Total Pore Volume of 0.82 to 0.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: July 27, 1999
    Assignee: Texaco Inc
    Inventors: David Edward Sherwood, Jr., Pei-Shing Eugene Dai
  • Patent number: 5827421
    Abstract: A process for hydrotreating a charge hydrocarbon feed containing components boiling above 1000.degree. F. and sulfur, metals, and carbon residue, to provide product containing decreased levels of components having a boiling point greater than 1000.degree. F., decreased levels of sulfur, particularly decreased sulfur contents in the unconverted 1000.degree. F.+ boiling point products, and reduced sediment, which comprises:contacting said hydrocarbon feed with hydrogen at isothermal hydroprocessing conditions in the presence of, as catalyst, a porous alumina support containing .ltoreq.0.5 wt % of silica, wherein no silicon containing components, particularly silicon oxide, are intentionally added to the alumina, alumina support, impregnating solution or impregnating solutions, and bearing 2.2-6 wt % of a Group VIII metal oxide, 7-24 wt % of a Group VIB metal oxide and 0.0-2.0 wt % of a phosphorus oxide,said catalyst having a Total Surface Area of 195-230 m.sup.2 /g, a Total Pore Volume of 0.
    Type: Grant
    Filed: August 24, 1995
    Date of Patent: October 27, 1998
    Assignee: Texaco Inc
    Inventor: David Edward Sherwood, Jr.