TREA

Phosphorus compounds

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Industry

  • CPC
  • C02F1/542
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Parent Industries

CCHEMISTRY METALLURGY C02Water treatment C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE C02F1/00Treatment of water, waste water, or sewage

Current Industry

C02F1/542Phosphorus compounds
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Use of polyelectrolytes for the remediation of solids from oil fiel...
    • Patent number 10,731,087
    • Issue date Aug 4, 2020
    • Ecolab USA Inc.
    • Chad Emigh
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water purification
    • Patent number 10,494,270
    • Issue date Dec 3, 2019
    • Winner Water Services, Inc.
    • Bruce F. Monzyk
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Reversible microcapsule filter cake
    • Patent number 9,656,233
    • Issue date May 23, 2017
    • Encapsys, LLC
    • Biao Duan
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method for regenerating plating solution
    • Patent number 9,249,511
    • Issue date Feb 2, 2016
    • Fuji Shoji Co., Ltd.
    • Nobuhiro Kanazawa
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Phosphonamide and phosphonamide blend compositions to treat water
    • Patent number 7,077,976
    • Issue date Jul 18, 2006
    • JohnsonDiversey, Inc.
    • Lyle Steimel
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Precipitating chemical
    • Patent number 6,916,431
    • Issue date Jul 12, 2005
    • Nature Technology Solution AS
    • Stig Ovar Keller
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Phosphonamide and phosphonamide blend compositions and method to tr...
    • Patent number 6,846,419
    • Issue date Jan 25, 2005
    • JohnsonDiversey, Inc.
    • Lyle Steimel
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Dephosphorizing material and method of dephosphorization
    • Patent number 5,518,631
    • Issue date May 21, 1996
    • Hazama Corporation
    • Terunobu Maeda
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method of water treatment using polyacrylamide-phosphonate flocculants
    • Patent number 5,393,436
    • Issue date Feb 28, 1995
    • Diatec Polymers
    • Leo E. Nagan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyacrylamide-phosphonate flocculants and methods of making
    • Patent number 5,342,539
    • Issue date Aug 30, 1994
    • Diatec Polymers
    • Leo E. Nagan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Water-soluble allylphosphonate copolymers
    • Patent number 5,091,491
    • Issue date Feb 25, 1992
    • W. R. Grace & Co.-Conn.
    • Loc Quach
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymeric phosphoramides
    • Patent number 4,048,264
    • Issue date Sep 13, 1977
    • Petrolite Corporation
    • Derek Redmore
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3859211
    • Patent number 3,859,211
    • Issue date Jan 7, 1975
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3720498
    • Patent number 3,720,498
    • Issue date Mar 13, 1973
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3664807
    • Patent number 3,664,807
    • Issue date May 23, 1972
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3654300
    • Patent number 3,654,300
    • Issue date Apr 4, 1972
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3652677
    • Patent number 3,652,677
    • Issue date Mar 28, 1972
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3591330
    • Patent number 3,591,330
    • Issue date Jul 6, 1971
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3576741
    • Patent number 3,576,741
    • Issue date Apr 27, 1971
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3542688
    • Patent number 3,542,688
    • Issue date Nov 24, 1970
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3531514
    • Patent number 3,531,514
    • Issue date Sep 29, 1970
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3524908
    • Patent number 3,524,908
    • Issue date Aug 18, 1970
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents