Patents Represented by Attorney Geoffrey Chase

Find this attorney in the Justia Lawyer Directory

  • Catalytic coal liquefaction process
    Patent number: 4626342
    Abstract: An improved process for catalytic solvent refining or hydroliquefaction of non-anthracitic coal at elevated temperatures under hydrogen pressure in a solvent comprises using as catalyst a mixture of a 1,2- or 1,4-quinone and an alkaline compound, selected from ammonium, alkali metal, and alkaline earth metal oxides, hydroxides or salts of weak acids.
    Type: Grant
    Filed: October 29, 1985
    Date of Patent: December 2, 1986
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Diwakar Garg, Swaminathan Sunder