Patents Represented by Attorney C. E. Rincon

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  • Hydrocarbon conversion processes using SSZ-31
    Patent number: 5215648
    Abstract: Hydrocarbon conversion processes using a crystalline zeolite SSZ-31.
    Type: Grant
    Filed: January 3, 1992
    Date of Patent: June 1, 1993
    Assignee: Chevron Research and Technology Company
    Inventors: Stacey I. Zones, Thomas V. Harris, Andrew Rainis, Donald S. Santilli
  • Zeolite SSZ-25
    Patent number: 5202014
    Abstract: A crystalline zeolite SSZ-25 is prepared using an adamantane quaternary ammonium ion as a template.
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: April 13, 1993
    Assignee: Chevron Research and Technology Company
    Inventors: Stacey I. Zones, Dennis L. Holtermann, Robert A. Innes, Theresa A. Pecoraro, Donald S. Santilli, James N. Ziemer
  • Use of zeolite SSZ-33 in hydrocarbon conversion processes
    Patent number: 5120425
    Abstract: A crystalline zeolite SSZ-33 is prepared using a quaternary ion as a template wherein said zeolite is used in hydrocarbon conversion processes.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: June 9, 1992
    Assignee: Chevron Research Company
    Inventors: Stacey I. Zones, Dennis L. Holtermann, Donald S. Santilli, Lawrence W. Jossens, James V. Kennedy, Andrew Rainis
  • Reforming naphtha with boron-containing large-pore zeolites
    Patent number: 5114565
    Abstract: Catalytic reforming processes using boron-containing large-pore zeolites.
    Type: Grant
    Filed: January 25, 1991
    Date of Patent: May 19, 1992
    Assignee: Chevron Research and Technology Company
    Inventors: Stacey I. Zones, Dennis L. Holtermann, Andrew Rainis
  • Zeolite SSZ-31
    Patent number: 5106801
    Abstract: A crystalline zeolite SSZ-31 is prepared by various methods using quaternary ammonium ion templates.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: April 21, 1992
    Assignee: Chevron Research and Technology Company
    Inventors: Stacey I. Zones, Thomas V. Harris, Andrew Rainis, Donald S. Santilli
  • Hydroconversion catalyst and method for making the catalyst
    Patent number: 5089453
    Abstract: A method of making a hydrotreating catalyst wherein the catalyst is prepared by mixing a peptized alumina support containing soluble Group IVB and Group VIII metal compounds with a solution containing a soluble Group VIB metal compound and a basic compound. The catalyst is used for hydrodenitrogenation and Ramsbottom Carbon Residue reduction of a hydrocarbon feedstock.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: February 18, 1992
    Assignee: Chevron Research and Technology Company
    Inventors: Charles R. Wilson, Kirk R. Gibson, Chi-Wen Hung
  • Hydrodemetalation and hydrodesulfurization catalyst of specified macroporosity
    Patent number: 5089463
    Abstract: For a heavy hydrocarbonaceous feed, especially good hydrodemetalation and hydrodesulfurization are achieved, as well as MCR reduction, using a catalyst having 5 to 11 percent of its pore volume in the form of macropores, and a surface area greater than 75 m.sup.2 /g. Preferably the catalyst has a peak mesopore diameter greater than 165 .ANG., as determined by mercury porosimetry, and an average mesopore diameter greater than 160 .ANG..
    Type: Grant
    Filed: October 11, 1990
    Date of Patent: February 18, 1992
    Assignee: Chevron Research and Technology Company
    Inventor: David R. Johnson
  • Hydroconversion catalyst and method for making the catalyst
    Patent number: 5089462
    Abstract: A method for making a hydrotreating catalyst wherein the catalyst is prepared by mixing a peptized hydrated supporting oxide with a hydrated Group IVB metal oxide gel promoter. The Group VIII metals are mixed in with the Group IVB metal oxide gel promoter. A solution containing a soluble Group VIB metal and a basic compound is added. The catalyst is used for hydrodenitrogenation and Ramsbottom Carbon Residue reduction of a hydrocarbon feedstock.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: February 18, 1992
    Assignee: Chevron Research and Technology Company
    Inventors: Charles R. Wilson, Kirk R. Gibson
  • Zeolite SSZ-33
    Patent number: 4963337
    Abstract: A crystalline zeolite SSZ-33 is prepared using a quaternary ion as a template.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: October 16, 1990
    Assignee: Chevron Research Company
    Inventor: Stacey I. Zones
  • New zeolite SSZ-23 and its use in conversion of lower alkanols into hydrocarbons
    Patent number: 4952744
    Abstract: A crystalline zeolite SSZ-23 is prepared using an adamantane quaternary ammonium ion as a template. The zeolite is useful in converting lower alkanols to gasoline range hydrocarbons.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: August 28, 1990
    Assignee: Chevron Research Company
    Inventors: Stacey I. Zones, R. A. Innes
  • Zeolite SSZ-24
    Patent number: 4936977
    Abstract: A crystalline zeolite SSZ-24 is prepared using an adamantane quaternary ion as a template.
    Type: Grant
    Filed: April 5, 1989
    Date of Patent: June 26, 1990
    Assignee: Chevron Research Company
    Inventors: Stacey I. Zones, D. L. Holtermann, D. S. Santilli, J. N. Ziemer