Patents by Inventor Allen W. Burton

Allen W. Burton 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).

  • TREATMENT OF COLD START ENGINE EXHAUST
    Publication number: 20080159936
    Abstract: The present invention relates to a process for reducing cold start emissions in an exhaust gas stream (such as from an internal combustion engine) by contacting the exhaust stream with a combination of molecular sieves comprising (1) a small pore crystalline molecular sieve or mixture of molecular sieves having pores no larger than 8 membered rings selected from the group consisting of SSZ-13, SSZ-16, SSZ-36, SSZ-39, SSZ-50, SSZ-52 and SSZ-73 molecular sieve and having a mole ratio at least 10 of (a) an oxide of a first tetravalent element to (b) an oxide of a trivalent element, pentavalent element, second tetravalent element which is different from said first tetravalent element or mixture thereof and (2) a medium-large pore crystalline molecular sieve having pores at least as large as 10 membered rings selected from the group consisting of SSZ-26, SSZ-33, SSZ-64, zeolite Beta, CIT-1, CIT-6 and ITQ-4 and having a mole ratio of at least 10 of (a) an oxide of a first tetravalent element to (b) an oxide of a tr
    Type: Application
    Filed: December 20, 2007
    Publication date: July 3, 2008
    Inventors: Stacey I. Zones, Cabral M. Williams, Tecle S. Rufael, Allen W. Burton
  • PROCESS FOR PREPARING ALUMINUM-CONTAINING MOLECULAR SIEVE SSZ-26
    Publication number: 20080089835
    Abstract: A process for directly preparing aluminum-containing molecular sieve SSZ-26 using a structure directing agent comprising a cis-N,N-diethyldecahydroquinolinium cation or mixture of a cis-N,N-diethyldecahydroquinolinium cation and a trans-N,N-diethyldecahydroquinolinium cation.
    Type: Application
    Filed: October 2, 2007
    Publication date: April 17, 2008
    Inventor: Allen W. Burton
  • Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-74
    Patent number: 7357904
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium)dication as a structure-directing agent, and its use in the reduction of oxides of nitrogen in a gas stream such as the exhaust from an internal combustion engine.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: April 15, 2008
    Assignee: Chevron Corporation
    Inventors: Stacey I. Zones, Allen W. Burton, Jr.
  • Gas separation using molecular sieve SSZ-74
    Patent number: 7348295
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent, and its use in gas separations.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: March 25, 2008
    Assignee: Chevron Corporation
    Inventors: Stacey I. Zones, Allen W. Burton, Jr.
  • TREATMENT OF ENGINE EXHAUST USING MOLECULAR SIEVE SSZ-75
    Publication number: 20080056970
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 having STI framework topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent and its use in treating engine exhaust.
    Type: Application
    Filed: June 1, 2007
    Publication date: March 6, 2008
    Inventors: STACEY I. ZONES, Allen W. Burton
  • OXYGENATE CONVERSION USING MOLECULAR SIEVE SSZ-75
    Publication number: 20080058571
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 having STI framework topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent and its use in catalysts for converting oxygenates, e.g., methanol, to olefins.
    Type: Application
    Filed: June 1, 2007
    Publication date: March 6, 2008
    Inventors: Stacey I. Zones, Allen W. Burton
  • MOLECULAR SIEVE SSZ-75 COMPOSITION OF MATTER AND SYNTHESIS THEREOF
    Publication number: 20080058196
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 having STI topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent, and methods for synthesizing SSZ-75.
    Type: Application
    Filed: June 1, 2007
    Publication date: March 6, 2008
    Inventors: STACEY I. ZONES, Allen W. Burton, Kenneth Ong
  • GAS SEPARATION USING MOLECULAR SIEVE SSZ-75
    Publication number: 20070286800
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 having STI framework topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent and its use in gas separations.
    Type: Application
    Filed: June 1, 2007
    Publication date: December 13, 2007
    Inventors: STACEY I. ZONES, Allen W. Burton
  • HYDROCARBON CONVERSION USING MOLECULAR SIEVE SSZ-75
    Publication number: 20070284284
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium)dication as a structure-directing agent, and its use in catalysts for hydrocarbon conversion reactions.
    Type: Application
    Filed: June 1, 2007
    Publication date: December 13, 2007
    Inventors: Stacey I. Zones, Allen W. Burton, Theodorus Ludovicus Michael Maesen, Berend Smit, Edith Beerdsen
  • REDUCTION OF OXIDES OF NITROGEN IN A GAS STREAM USING MOLECULAR SIEVE SSZ-75
    Publication number: 20070286782
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 having STI framework topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent and its use in the reduction of oxides of nitrogen in a gas stream such as the exhaust from an internal combustion engine.
    Type: Application
    Filed: June 1, 2007
    Publication date: December 13, 2007
    Inventors: Stacey I. Zones, Allen W. Burton
  • SYNTHESIS OF AMINES USING MOLECULAR SIEVE SSZ-75
    Publication number: 20070287867
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 having STI topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent, and its use in catalysts for making amines.
    Type: Application
    Filed: June 1, 2007
    Publication date: December 13, 2007
    Inventors: Stacey I. Zones, Allen W. Burton
  • Process for preparing MTT zeolites using nitrogen-containing organic compounds
    Patent number: 7157075
    Abstract: The present invention relates to a process for preparing zeolites having the MTT framework topology defined by the connectivity of the tetrahedral atoms in the zeolite, such as zeolites SSZ-32 and ZSM-23, using certain nitrogen-containing organic compounds.
    Type: Grant
    Filed: August 30, 2005
    Date of Patent: January 2, 2007
    Assignee: Chevron U.S.A. Inc.
    Inventors: Allen W. Burton, Jr., Stacey Zones
  • Crystalline molecular sieve SSZ-51 composition of matter and synthesis thereof
    Patent number: 7153483
    Abstract: A novel crystalline aluminophosphate and metalloaluminophosphate of the molecular sieve type, denominated SSZ-51, is prepared by hydrothermal synthesis from reactive sources of aluminum and phosphorus, fluorine and an organic templating agent, 4-dimethylaminopyridine.
    Type: Grant
    Filed: October 22, 2003
    Date of Patent: December 26, 2006
    Assignee: Chevron U.S.A. Inc.
    Inventors: Stacey I. Zones, Allen W. Burton, Thomas V. Harris, Lucy M. Bull
  • Molecular sieve SSZ-70 composition of matter and synthesis thereof
    Patent number: 7108843
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-70 prepared using a N,N?-diisopropyl imidazolium cation as a structure-directing agent, methods for synthesizing SSZ-70 and processes employing SSZ-70 in a catalyst.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: September 19, 2006
    Assignee: Chevron U.S.A. Inc.
    Inventors: Stacey I. Zones, Allen W. Burton, Jr.
  • Acylation using molecular sieve SSZ-71
    Patent number: 7091385
    Abstract: The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: August 15, 2006
    Assignee: Chevron U.S.A. Inc.
    Inventors: Cong-Yan Chen, Allen W. Burton, Jr., Ann J. Liang
  • Partial oxidation using molecular sieve SSZ-71
    Patent number: 7087792
    Abstract: The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: August 8, 2006
    Assignee: Chevron U.S.A. Inc.
    Inventors: Cong-Yan Chen, Allen W. Burton, Jr., Ann J. Liang
  • Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-71
    Patent number: 7083766
    Abstract: The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: August 1, 2006
    Assignee: Chevron U.S.A. Inc.
    Inventors: Cong-Yan Chen, Allen W. Burton, Jr., Ann J. Liang
  • Partial oxidation using molecular sieve SSZ-70
    Patent number: 7084305
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-70 prepared using a N,N?-diisopropyl imidazolium cation as a structure-directing agent, methods for synthesizing SSZ-70 and processes employing SSZ-70 in a catalyst.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: August 1, 2006
    Assignee: Chevron U.S.A. Inc.
    Inventors: Stacey I. Zones, Allen W. Burton, Jr.
  • Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-70
    Patent number: 7083767
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-70 prepared using a N,N?-diisopropyl imidazolium cation as a structure-directing agent, methods for synthesizing SSZ-70 and processes employing SSZ-70 in a catalyst.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: August 1, 2006
    Assignee: Chevron U.S. A. Inc.
    Inventors: Stacey I. Zones, Allen W. Burton, Jr.
  • Molecular sieve SSZ-71 composition of matter and synthesis thereof
    Patent number: 7083776
    Abstract: The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: August 1, 2006
    Assignee: Chevron U.S.A. Inc.
    Inventors: Cong-Yan Chen, Allen W. Burton, Jr., Ann J. Liang