Caustic

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for spray-drying materials and mixtures thereof using super...

    • Patent number 5,431,780
    • Issue date Jul 11, 1995
    • Henkel Kommanditgesellschaft auf Aktien
    • Wilfried Raehse
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for the recovery of heat and chemicals from spent liquor

    • Patent number 5,230,773
    • Issue date Jul 27, 1993
    • Oy Tampella AB
    • Pertti Petanen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    System for concentrating a spent caustic stream

    • Patent number 5,209,828
    • Issue date May 11, 1993
    • Mobil Oil Corporation
    • Tai-Sheng Chou
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Apparatus for preparing high-concentration alkali

    • Patent number 4,927,494
    • Issue date May 22, 1990
    • Sulzer-Escher Wyss AG
    • Robert Winkler
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method and apparatus for preparing high-concentration alkali

    • Patent number 4,830,707
    • Issue date May 16, 1989
    • Sulzer-Escher Wyss AG
    • Robert Winkler
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Automatic control of a multiple-effect evaporator

    • Patent number 4,676,870
    • Issue date Jun 30, 1987
    • Phillips Petroleum Company
    • William S. Stewart
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Suppression of corrosion in caustic manufacturing systems

    • Patent number 4,585,579
    • Issue date Apr 29, 1986
    • Occidental Chemical Corporation
    • Tilak V. Bommaraju
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Cooling aqueous alkali metal hydroxide liquors by vacuum evaporatio...

    • Patent number 3,963,424
    • Issue date Jun 15, 1976
    • Whiting Corporation
    • Frank Bella
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3872910

    • Patent number 3,872,910
    • Issue date Mar 25, 1975
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3738411

    • Patent number 3,738,411
    • Issue date Jun 12, 1973
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3674442

    • Patent number 3,674,442
    • Issue date Jul 4, 1972
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3630262

    • Patent number 3,630,262
    • Issue date Dec 28, 1971
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3380806

    • Patent number 3,380,806
    • Issue date Apr 30, 1968
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3362457

    • Patent number 3,362,457
    • Issue date Jan 9, 1968
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3349546

    • Patent number 3,349,546
    • Issue date Oct 31, 1967
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3332470

    • Patent number 3,332,470
    • Issue date Jul 25, 1967
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3298797

    • Patent number 3,298,797
    • Issue date Jan 17, 1967
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3273630

    • Patent number 3,273,630
    • Issue date Sep 20, 1966
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3255036

    • Patent number 3,255,036
    • Issue date Jun 7, 1966
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3247888

    • Patent number 3,247,888
    • Issue date Apr 26, 1966
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3228754

    • Patent number 3,228,754
    • Issue date Jan 11, 1966
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3216796

    • Patent number 3,216,796
    • Issue date Nov 9, 1965
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3154456

    • Patent number 3,154,456
    • Issue date Oct 27, 1964
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3152005

    • Patent number 3,152,005
    • Issue date Oct 6, 1964
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3131110

    • Patent number 3,131,110
    • Issue date Apr 28, 1964
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2965445

    • Patent number 2,965,445
    • Issue date Dec 20, 1960
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2942657

    • Patent number 2,942,657
    • Issue date Jun 28, 1960
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2924274

    • Patent number 2,924,274
    • Issue date Feb 9, 1960
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2873799

    • Patent number 2,873,799
    • Issue date Feb 17, 1959
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2806766

    • Patent number 2,806,766
    • Issue date Sep 17, 1957
    • C01 - INORGANIC CHEMISTRY