Patents by Inventor Willem Hartman Jurriaan Stork

Willem Hartman Jurriaan Stork 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).

  • Catalyst composition, its preparation and use
    Patent number: 7749937
    Abstract: An unsupported catalyst composition which comprises one or more Group VIb metals, one or more Group VIII metals, and a refractory oxide material which comprises 50 wt % or more titania, on oxide basis, which is prepared by precipitation techniques, finds use in the hydroprocessing of hydrocarbonaceous feedstocks.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: July 6, 2010
    Assignee: Shell Oil Company
    Inventors: Laszlo Domokos, Hermanus Jongkind, Willem Hartman Jurriaan Stork, Johanna Maria Helena Van Den Tol-Kershof
  • Hydrocracking catalyst composition
    Patent number: 7648939
    Abstract: The invention provides an unsupported catalyst composition which comprises one or more Group VIb metals, one or more Group VIII metals, one or more zeolites, and, optionally, a refractory oxide material. A (co)precipitation preparation process is described and also use of the composition in hydrocracking.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: January 19, 2010
    Assignee: Shell Oil Company
    Inventors: László Domokos, Hermanus Jongkind, Marcello Stefano Rigutto, Willem Hartman Jurriaan Stork, Beatrijs Anna Stork-Blaisse, legal representative, Esther Hillegarda Carola Van De Voort
  • CATALYST COMPOSITION, ITS PREPARATION AND USE
    Publication number: 20090239743
    Abstract: An unsupported catalyst composition which comprises one or more Group VIb metals, one or more Group VIII metals, and a refractory oxide material which comprises 50 wt % or more titania, on oxide basis, which is prepared by precipitation techniques, finds use in the hydroprocessing of hydrocarbonaceous feedstocks.
    Type: Application
    Filed: June 2, 2009
    Publication date: September 24, 2009
    Inventors: Laszlo DOMOKOS, Hermanus JONGKIND, Willem Hartman Jurriaan STORK, Johanna Maria Helena VANDENTOL-KERSHOF
  • Catalyst composition, its preparation and use
    Patent number: 7557062
    Abstract: An unsupported catalyst composition which comprises one or more Group VIb metals, one or more Group VIII metals, and a refractory oxide material which comprises 50 wt % or more titania, on oxide basis, which is prepared by precipitation techniques, finds use in the hydroprocessing of hydrocarbonaceous feedstocks.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: July 7, 2009
    Assignee: Shell Oil Company
    Inventors: Laszlo Domokos, Hermanus Jongkind, Willem Hartman Jurriaan Stork, Johanna Maria Helena Van den Tol-Kershof
  • Catalyst composition, its preparation and use
    Publication number: 20040235653
    Abstract: An unsupported catalyst composition which comprises one or more Group VIb metals, one or more Group VIII metals, and a refractory oxide material which comprises 50 wt % or more titania, on oxide basis, which is prepared by precipitation techniques, finds use in the hydroprocessing of hydrocarbonaceous feedstocks.
    Type: Application
    Filed: February 20, 2004
    Publication date: November 25, 2004
    Inventors: Laszlo Domokos, Hermanus Jongkind, Willem Hartman Jurriaan Stork, Johanna Maria Helena Van Den Tol-Kershof
  • Catalyst and hydrotreating process
    Patent number: 5910241
    Abstract: Catalyst comprising a porous inorganic refractory oxide wherein the catalyst has:(a) a total pore volume in the range of from 0.2 to 0.5 ml/g,(b) a macroporosity of at least 0.1 ml/g,(c) a microporosity of at least 0.05 ml/g, and(d) a surface area of at least 5 m.sup.2 /g.Process for reducing the amount of solid contaminants and the amount or dissolved metallic contaminants, wherein a hydrocarbon oil containing such contaminants is contacted with hydrogen under hydrotreating conditions in the presence of the above catalyst.
    Type: Grant
    Filed: December 9, 1997
    Date of Patent: June 8, 1999
    Assignee: Shell Oil Company
    Inventors: David John McNamara, Willem Hartman Jurriaan Stork