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).

  • Method for preparing NES-type zeolites using novel structure directing agents
    Patent number: 7682599
    Abstract: The present invention is directed to a process for preparing NES-type zeolites using novel nitrogen-based structure directing agents. The structure directing agents used in preparing NES-type zeolites selected from the group consisting of 1,4-bis(N,N-dimethylcyclohexylammonium) butane dications and 1,5-bis(N,N-dimethylcyclohexylammonium) pentane dications.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: March 23, 2010
    Assignee: Chevron U.S.A. Inc.
    Inventor: Allen W. Burton, Jr.
  • Hydrocarbon conversion using molecular sieve SSZ-75
    Patent number: 7651603
    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: Grant
    Filed: June 1, 2007
    Date of Patent: January 26, 2010
    Assignee: Chevron U.S.A. Inc.
    Inventors: Stacey I. Zones, Allen W. Burton, Jr., Theodorus Ludovicus Michael Maesen, Berend Smit, Edith Beerdsen
  • Method for preparing SSZ-26/33 zeolites using novel structure directing agents
    Patent number: 7648694
    Abstract: The present invention is directed to a process for preparing zeolites belonging to the SSZ-26/33 family of zeolites using novel nitrogen-based structure directing agents. The process for preparing the SSZ-26/33 family of zeolites involves using a structure directing agent selected from the group consisting of 1,5-bis(N,N-dimethylcyclohexylammonium)pentane dications, 1,4-bis(N-cyclohexylpiperidinium)butane dications and 1,4-bis(N-cyclopentylpiperidinium)butane dications.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: January 19, 2010
    Assignee: Chevron U.S.A. Inc.
    Inventor: Allen W. Burton, Jr.
  • Hydrocarbon conversion using molecular sieve SSZ-74
    Patent number: 7622032
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using an hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent, and processes employing SSZ-74 in a catalyst.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: November 24, 2009
    Assignee: Chevron U.S.A. Inc.
    Inventors: Stacey I. Zones, Allen W. Burton, Jr.
  • MOLECULAR SIEVE SSZ-83
    Publication number: 20090214418
    Abstract: The present invention is directed to a new crystalline molecular sieve designated SSZ-83 synthesized using a 1,4-bis(N-butylpiperidinium)butane dication or a 1,4-bis(N-butylpyrrolidinium)butane dication as a structure directing agent.
    Type: Application
    Filed: November 25, 2008
    Publication date: August 27, 2009
    Inventors: Allen W. Burton, JR., Stacey I. Zones
  • Method of preparing molecular sieve SSZ-74
    Patent number: 7569207
    Abstract: A method of preparing a crystalline material, herein designated as SSZ-74, comprising contacting under crystallization conditions (1) a source of silicon oxide, (2) a source of another metal oxide, (3) fluoride ions, and (4) a structure directing agent comprising a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium)dication. A method of preparing a crystalline material having a defined X-ray powder diffraction pattern, by (1) forming a reaction mixture having one or more metal oxides, one being silicon oxide, and a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium)dication, (2) maintaining the reaction mixture at an elevated temperature until crystals are formed, (3) separating the crystalline material, and (4) optionally calcining the crystalline material.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: August 4, 2009
    Assignee: Chevron U.S.A. Inc.
    Inventors: Stacey I. Zones, Allen W. Burton
  • Hydrocarbon conversion using molecular sieve SSZ-70
    Patent number: 7550073
    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: June 23, 2009
    Assignee: Chevron U.S.A., Inc.
    Inventors: Stacey I. Zones, Allen W. Burton, Jr.
  • Hydrocarbon conversion using molecular sieve SSZ-71
    Patent number: 7537685
    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: May 26, 2009
    Assignee: Chevron U.S.A. Inc.
    Inventors: Cong-Yan Chen, Allen W. Burton, Jr., Ann J. Liang
  • METHOD FOR MAKING MOLECULAR SIEVE SSZ-83
    Publication number: 20090104112
    Abstract: The present invention is directed to a method for making a new crystalline molecular sieve designated SSZ-83 using a 1,4-bis(N-butylpiperidinium)butane dication or a 1,4-bis(N-butylpyrrolidinium)butane dication as a structure directing agent.
    Type: Application
    Filed: November 25, 2008
    Publication date: April 23, 2009
    Inventors: Allen W. Burton, JR., Stacey I. Zones
  • Molecular sieve SSZ-74 composition of matter and synthesis thereof
    Patent number: 7510697
    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 methods for synthesizing SSZ-74.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: March 31, 2009
    Assignee: Chevron U.S.A. Inc.
    Inventors: Stacey I. Zones, Allen W. Burton, Jr., Kenneth Ong
  • METHOD FOR PREPARING SSZ-26/33 ZEOLITES USING NOVEL STRUCTURE DIRECTING AGENTS
    Publication number: 20090060835
    Abstract: The present invention is directed to a process for preparing zeolites belonging to the SSZ-26/33 family of zeolites using novel nitrogen-based structure directing agents
    Type: Application
    Filed: October 10, 2008
    Publication date: March 5, 2009
    Applicant: Chevron U.S.A. Inc.
    Inventor: Allen W. Burton, JR.
  • MOLECULAR SIEVE SSZ-82 COMPOSITION OF MATTER AND SYNTHESIS THEREOF
    Publication number: 20090060813
    Abstract: The present invention is directed to a new crystalline molecular sieve designated SSZ-82, a method for preparing SSZ-82 using a 1,6-bis(N-cyclohexylpyrrolidinium)hexane dication as a structure directing agent, and uses for SSZ-82.
    Type: Application
    Filed: October 10, 2008
    Publication date: March 5, 2009
    Applicant: Chevron U.S.A. Inc.
    Inventor: Allen W. Burton
  • METHOD FOR PREPARING NES-TYPE ZEOLITES USING NOVEL STRUCTURE DIRECTING AGENTS
    Publication number: 20090060834
    Abstract: The present invention is directed to a process for preparing NES-type zeolites using novel nitrogen-based structure directing agents.
    Type: Application
    Filed: October 10, 2008
    Publication date: March 5, 2009
    Applicant: Chevron U.S.A. Inc.
    Inventor: Allen W. Burton, JR.
  • Oxygenate conversion using molecular sieve SSZ-74
    Patent number: 7485766
    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 catalysts for converting oxygenates, e.g., methanol, to olefins.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: February 3, 2009
    Assignee: Chevron U.S.A., Inc.
    Inventors: Allen W. Burton, Jr., Stacey I. Zones
  • Acylation using molecular sieve SSZ-74
    Patent number: 7473807
    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, methods for synthesizing SSZ-74 and processes employing SSZ-74 in a catalyst.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: January 6, 2009
    Assignee: Chevron USA, Inc.
    Inventors: Stacey I. Zones, Allen W. Burton, Jr.
  • Hydrocarbon conversion using molecular sieve SSZ-47B
    Patent number: 7459073
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-47B prepared using a N-cyclopentyl-1,4-diazabicyclo[2.2.2] octane cation as a structure-directing agent and an amine too large to fit in the pores of the molecular sieve nonasil, methods for synthesizing SSZ-47B and processing employing SSZ-47B in a catalyst.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: December 2, 2008
    Assignee: Chevron U.S.A. Inc.
    Inventors: Allen W. Burton, Jr., Stacey I. Zones
  • METHOD OF PREPARING MOLECULAR SIEVE SSZ-74
    Publication number: 20080292543
    Abstract: A method of preparing a crystalline material, herein designated as SSZ-74, comprising contacting under crystallization conditions (1) a source of silicon oxide, (2) a source of another metal oxide, (3) fluoride ions, and (4) a structure directing agent comprising a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication. A method of preparing a crystalline material having a defined X-ray powder diffraction pattern, by (1) forming a reaction mixture having one or more metal oxides, one being silicon oxide, and a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication, (2) maintaining the reaction mixture at an elevated temperature until crystals are formed, (3) separating the crystalline material, and (4) optionally calcining the crystalline material.
    Type: Application
    Filed: February 28, 2008
    Publication date: November 27, 2008
    Inventors: Stacey I. Zones, Allen W. Burton
  • SYNTHESIS OF PREFFERED ISOMER FRACTIONS OF N, N-DIETHYLDECAHYDROQUINOLINIUM CATION
    Publication number: 20080262233
    Abstract: The present invention relates to a process for synthesizing trans-N,N-diethyldecahydroquinolinium cation or a mixture of a cis-N,N-diethyldecahydroquinolinium cation and a trans-N,N-diethyldecahydroquinolinium cation.
    Type: Application
    Filed: October 2, 2007
    Publication date: October 23, 2008
    Inventor: Allen W. Burton
  • Partial oxidation using molecular sieve SSZ-74
    Patent number: 7432402
    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 processes employing SSZ-74 in a catalyst.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: October 7, 2008
    Assignee: Chevron U.S.A.
    Inventors: Stacey I. Zones, Allen W. Burton, Jr.
  • Synthesis of amines using molecular sieve SSZ-74
    Patent number: 7422732
    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 catalysts for synthesizing amines.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: September 9, 2008
    Assignee: Chevron U.S.A. Inc
    Inventors: Stacey I. Zones, Allen W. Burton, Jr.