Patents Represented by Attorney Finkle, Yale S.

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  • Process for the catalytic cracking of feedstocks containing nitrogen
    Patent number: 4747935
    Abstract: Hydrocarbon feedstocks containing relatively high levels of nitrogen contaminants are converted by catalytic cracking to products of lower average molecular weight by contacting the feedstock with a mixture of a cracking catalyst and separate particles of a nitrogen scavenger comprising microporous solids selected from the group consisting of acid clays; hydrogen or ammonium exchanged mordenite, clinoptilolite, chabazite and erionite; mineral acids or mineral acid precursors supported on an inorganic, refractory oxide; and Catapal alumina.
    Type: Grant
    Filed: March 26, 1986
    Date of Patent: May 31, 1988
    Assignee: Union Oil Company of California
    Inventor: Julius Scherzer