Patents by Inventor John D. Schlenker

John D. Schlenker 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).

  • Synthesis of crystalline silicate ZSM-11
    Patent number: 5213786
    Abstract: This invention relates to a new form of crystalline material identified as zeolite ZSM-11, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversion.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: May 25, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Jeffrey S. Beck, John D. Schlenker
  • Crystalline molecular sieve compositions MCM-37
    Patent number: 5091073
    Abstract: This invention relates to a novel synthetic crystalline molecular sieve composition, MCM-37, which may contain framework +3 valence element, e.g. aluminum, and +5 valence element, e.g. phosphorus or with an addition +4 valence element, e.g. silicon, and to use thereof as a support and in catalytic conversion of organic compounds. The crystalline composition of this invention can easily be converted to catalytically active material.
    Type: Grant
    Filed: July 13, 1990
    Date of Patent: February 25, 1992
    Assignee: Mobil Oil Corp.
    Inventors: Clarence D. Chang, Cynthia T. W. Chu, Ralph M. Dessau, John B. Higgins, John D. Lutner, John D. Schlenker