Patents Examined by Robert L. Skoll
  • 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