Hydrosulfides of sodium or potassium

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for separating particles containing alkali metal salts from...

    • Patent number 10,435,631
    • Issue date Oct 8, 2019
    • Enlighten Innovations, Inc.
    • Michael Zenaitis
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Heavy oil conversion process with in-situ potassium sulfide generation

    • Patent number 8,673,132
    • Issue date Mar 18, 2014
    • ExxonMobil Research and Engineering Company
    • Daniel P. Leta
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Reactor for synthesizing hydrogen sulfide, apparatus for producing...

    • Patent number 8,551,442
    • Issue date Oct 8, 2013
    • JGC Corporation
    • Hiroshi Umino
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Regeneration of alkali metal reagent

    • Patent number 8,404,106
    • Issue date Mar 26, 2013
    • ExxonMobil Research and Engineering Company
    • Jorge L. Soto
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Separation of ammonia from sulfur compounds

    • Patent number 7,431,902
    • Issue date Oct 7, 2008
    • Sundance Resources Inc.
    • Robert V. Kerley
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for the conversion of calcium sulfide

    • Patent number 5,738,758
    • Issue date Apr 14, 1998
    • The University of New Brunswick
    • Adriaan R. P. van Heiningen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Recovery of sulfides from tannery waste liquor

    • Patent number 5,328,677
    • Issue date Jul 12, 1994
    • PVL Limited Partnership I
    • Richard G. Waite
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Production of sodium hydrosulfide

    • Patent number 4,439,411
    • Issue date Mar 27, 1984
    • FMC Corporation
    • James L. Manganaro
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Preparation of hydrosulfides

    • Patent number 4,156,656
    • Issue date May 29, 1979
    • The United States of America as represented by the Secretary of the Interior
    • Raymond O. Dannenberg
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Two-phase contact reactor

    • Patent number 3,969,081
    • Issue date Jul 13, 1976
    • Lion Oil Company
    • Ronnie D. Jackson
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3839548

    • Patent number 3,839,548
    • Issue date Oct 1, 1974
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3591332

    • Patent number 3,591,332
    • Issue date Jul 6, 1971
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3262753

    • Patent number 3,262,753
    • Issue date Jul 26, 1966
    • C01 - INORGANIC CHEMISTRY
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    3145130

    • Patent number 3,145,130
    • Issue date Aug 18, 1964
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3026240

    • Patent number 3,026,240
    • Issue date Mar 20, 1962
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2662000

    • Patent number 2,662,000
    • Issue date Dec 8, 1953
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2376434

    • Patent number 2,376,434
    • Issue date May 22, 1945
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2376433

    • Patent number 2,376,433
    • Issue date May 22, 1945
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2376435

    • Patent number 2,376,435
    • Issue date May 22, 1945
    • C01 - INORGANIC CHEMISTRY
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    2346550

    • Patent number 2,346,550
    • Issue date Apr 11, 1944
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2252867

    • Patent number 2,252,867
    • Issue date Aug 19, 1941
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2154917

    • Patent number 2,154,917
    • Issue date Apr 18, 1939
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2143286

    • Patent number 2,143,286
    • Issue date Jan 10, 1939
    • C01 - INORGANIC CHEMISTRY
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    1899896

    • Patent number 1,899,896
    • Issue date Feb 28, 1933
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1774523

    • Patent number 1,774,523
    • Issue date Sep 2, 1930
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1771384

    • Patent number 1,771,384
    • Issue date Jul 22, 1930
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1766810

    • Patent number 1,766,810
    • Issue date Jun 24, 1930
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1722170

    • Patent number 1,722,170
    • Issue date Jul 23, 1929
    • C01 - INORGANIC CHEMISTRY
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    1675491

    • Patent number 1,675,491
    • Issue date Jul 3, 1928
    • C01 - INORGANIC CHEMISTRY
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    1662735

    • Patent number 1,662,735
    • Issue date Mar 13, 1928
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents