containing alkali-, earth-alkali- or NH4 salts of inorganic acids derived from sulfur

Patents Grantslast 30 patents

  • Information Patent Grant

    Process and composition for removal of mercaptans from gas streams

    • Patent number 4,758,371
    • Issue date Jul 19, 1988
    • NL Industries, Inc.
    • Kishan Bhatia
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Treatment of thiocyanate containing waste liquor

    • Patent number 4,719,019
    • Issue date Jan 12, 1988
    • Srini Vasan
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for removal of mercaptans from gas streams

    • Patent number 4,690,805
    • Issue date Sep 1, 1987
    • NL Industries, Inc.
    • Kishan Bhatia
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Method for the selective removal and recovery of ammonia from ammon...

    • Patent number 4,432,958
    • Issue date Feb 21, 1984
    • Bergwerksverband GmbH
    • Nikolaus Schaefer
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1968275

    • Patent number 1,968,275
    • Issue date Jul 31, 1934
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    1964572

    • Patent number 1,964,572
    • Issue date Jun 26, 1934
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    1915755

    • Patent number 1,915,755
    • Issue date Jun 27, 1933
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    1908633

    • Patent number 1,908,633
    • Issue date May 9, 1933
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1832325

    • Patent number 1,832,325
    • Issue date Nov 17, 1931
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Four-Train Catalytic Gasification Systems

    • Publication number 20090324462
    • Publication date Dec 31, 2009
    • GREATPOINT ENERGY, INC.
    • Earl T. Robinson
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...