Patents Represented by Attorney Vince J. Vasta, Jr.

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  • Catalytic cracking catalysts and cracking process using mixed catalyst system
    Patent number: 4914067
    Abstract: Cracking catalysts and their use in cracking processes are disclosed. The cracking catalyst are prepared using mixtures of catalytic cracking catalysts and selected silicoaluminophosphate molecular sieves of U.S. Pat. No. 4,440,871.
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: April 3, 1990
    Assignee: UOP
    Inventors: Regis J. Pellet, Peter K. Coughlin, Mark T. Staniulis, Gary N. Long, Jule A. Rabo
  • Hydrocracking catalyts and processes employing silicoaluminophosphate molecular sieves
    Patent number: 4913798
    Abstract: Hydrocracking processes are disclosed using catalysts comprising silicoaluminophosphates of U.S. Pat. No. 4,440,871 characterized in the calcined form by an adsorption oxygen of at least 4 isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a temperature of 20.degree. C.
    Type: Grant
    Filed: September 4, 1985
    Date of Patent: April 3, 1990
    Assignee: UOP
    Inventors: Frank P. Gortsema, Regis Pellet, Albert R. Springer, Jule A. Rabo, Gary N. Long