Noble gases

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for removing oxygen from crude argon

    • Patent number 5,035,726
    • Issue date Jul 30, 1991
    • Air Products and Chemicals, Inc.
    • Michael S. Chen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Process for separating components of a gas stream

    • Patent number 4,701,187
    • Issue date Oct 20, 1987
    • Air Products and Chemicals, Inc.
    • Jung S. Choe
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Gas separation

    • Patent number 4,190,424
    • Issue date Feb 26, 1980
    • BOC Limited
    • John W. Armond
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3475882

    • Patent number 3,475,882
    • Issue date Nov 4, 1969
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3410783

    • Patent number 3,410,783
    • Issue date Nov 12, 1968
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    3242645

    • Patent number 3,242,645
    • Issue date Mar 29, 1966
    • C01 - INORGANIC CHEMISTRY