TREA

Preparation neither from elemental phosphorus or phosphoric anhydride nor by reacting phosphate-containing material with an acid

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  • CPC
  • C01B25/185
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CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B25/00Phosphorus Compounds thereof

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C01B25/185Preparation neither from elemental phosphorus or phosphoric anhydride nor by reacting phosphate-containing material with an acid
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method to make phosphoric acid and ammonium phosphates from phospha...
    • Patent number 11,027,975
    • Issue date Jun 8, 2021
    • Wisconsin Alumni Research Foundation
    • Phillip Warren Barak
    • C05 - FERTILISERS MANUFACTURE THEREOF
  • Information Patent Grant

    Raw material pre-treatment method and raw material pre-treatment pr...
    • Patent number 10,744,512
    • Issue date Aug 18, 2020
    • SICHUAN KO CHANG TECHNOLOGY CO., LTD.
    • Yonghe Hou
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Raw material of composite pellets used in kiln phosphoric acid proc...
    • Patent number 10,435,300
    • Issue date Oct 8, 2019
    • SICHUAN KO CHANG TECHNOLOGY CO., LTD.
    • Yonghe Hou
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Method of phosphorus removal and recovery
    • Patent number 10,351,428
    • Issue date Jul 16, 2019
    • HSY HELSINGIN SEUDUN YMPÄRISTÖPALVELUT-KUNTAYHTYMÄ
    • Tommi Fred
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for mass production of phosphoric acid with rotary kiln
    • Patent number 10,005,669
    • Issue date Jun 26, 2018
    • SICHUAN KO CHANG TECHNOLOGY CO., LTD.
    • Yonghe Hou
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Rotary kiln for reducing phosphate ore in kiln phosphoric acid proc...
    • Patent number 9,982,947
    • Issue date May 29, 2018
    • SICHUAN KO CHANG TECHNOLOGY CO., LTD.
    • Yonghe Hou
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Apparatus for preparing phosphoric acid from fume exiting the kiln...
    • Patent number 9,776,868
    • Issue date Oct 3, 2017
    • SICHUAN KO CHANG TECHNOLOGY CO., LTD.
    • Yonghe Hou
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for production of phosphoric acid from dry matrix by SO.sub...
    • Patent number 4,714,600
    • Issue date Dec 22, 1987
    • Mobil Oil Corporation
    • Patrick R. Driscoll
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for producing hydrogen fluoride and phosphoric acid
    • Patent number 4,292,289
    • Issue date Sep 29, 1981
    • Climax Chemical Company
    • Curtis W. Cannon
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Production of fluoride-free phosphates
    • Patent number 4,222,990
    • Issue date Sep 16, 1980
    • Pennzoil Company
    • Erhart K. Drechsel
    • C05 - FERTILISERS MANUFACTURE THEREOF
  • Information Patent Grant

    Production of fluoride-free phosphates
    • Patent number 4,086,322
    • Issue date Apr 25, 1978
    • Pennzoil Company
    • Erhart K. Drechsel
    • C05 - FERTILISERS MANUFACTURE THEREOF
  • Information Patent Grant

    Process for obtaining pure orthophosphoric acid from superphosphori...
    • Patent number 4,083,934
    • Issue date Apr 11, 1978
    • Texasgulf Inc.
    • John D. Jernigan
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3840639
    • Patent number 3,840,639
    • Issue date Oct 8, 1974
    • C05 - FERTILISERS MANUFACTURE THEREOF
  • Information Patent Grant

    3760048
    • Patent number 3,760,048
    • Issue date Sep 18, 1973
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3690827
    • Patent number 3,690,827
    • Issue date Sep 12, 1972
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3650691
    • Patent number 3,650,691
    • Issue date Mar 21, 1972
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3645682
    • Patent number 3,645,682
    • Issue date Feb 29, 1972
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3635669
    • Patent number 3,635,669
    • Issue date Jan 18, 1972
    • C05 - FERTILISERS MANUFACTURE THEREOF
  • Information Patent Grant

    3576601
    • Patent number 3,576,601
    • Issue date Apr 27, 1971
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3494735
    • Patent number 3,494,735
    • Issue date Feb 10, 1970
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3402019
    • Patent number 3,402,019
    • Issue date Sep 17, 1968
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3382035
    • Patent number 3,382,035
    • Issue date May 7, 1968
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3374055
    • Patent number 3,374,055
    • Issue date Mar 19, 1968
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2843457
    • Patent number 2,843,457
    • Issue date Jul 15, 1958
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2670274
    • Patent number 2,670,274
    • Issue date Feb 23, 1954
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2600813
    • Patent number 2,600,813
    • Issue date Jun 17, 1952
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2288460
    • Patent number 2,288,460
    • Issue date Jun 30, 1942
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2022050
    • Patent number 2,022,050
    • Issue date Nov 26, 1935
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1511929
    • Patent number 1,511,929
    • Issue date Oct 14, 1924
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1468741
    • Patent number 1,468,741
    • Issue date Sep 25, 1923
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents