Patents Represented by Attorney Cathy E. Rincon

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  • Preparation of borosilicate zeolites
    Patent number: 5187132
    Abstract: A method for synthesizing crystalline zeolites requiring a reaction mixture for crystallization thereof which contains Boron Beta Zeolite as an active source of silicon oxide and boron oxide.
    Type: Grant
    Filed: May 14, 1991
    Date of Patent: February 16, 1993
    Assignee: Chevron Research and Technology Company
    Inventors: Stacey I. Zones, Lun T. Yuen, Susan D. Toto
  • Low-aluminum boron beta zeolite
    Patent number: 5166111
    Abstract: A crystalline low-aluminum boron beta zeolite is prepared using a diquaternary ion as a template.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: November 24, 1992
    Assignee: Chevron Research Company
    Inventors: Stacey I. Zones, Dennis L. Holtermann, Lawrence W. Jossens, Donald S. Santilli, Andrew Rainis
  • Zeolite SSZ-26
    Patent number: 5007997
    Abstract: A crystalline zeolite SSZ-26 is prepared using a hexamethyl [4.3.3.0] propellane-8,11-diammonium cation as a template. Also disclosed is a process for converting hydrocarbons with crystalline zeolite SSZ-26.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: April 16, 1991
    Assignee: Chevron Research Company
    Inventors: Stacy I. Zones, Donald S. Santilli, James Ziemer, Dennis L. Holtermann, Theresa A. Pecoraro, Robert A. Innes