BE727565A - - Google Patents

Info

Publication number
BE727565A
BE727565A BE727565DA BE727565A BE 727565 A BE727565 A BE 727565A BE 727565D A BE727565D A BE 727565DA BE 727565 A BE727565 A BE 727565A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE727565A publication Critical patent/BE727565A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
    • C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/06—Phosphorus compounds without P—C bonds
    • C07F9/08—Esters of oxyacids of phosphorus
    • C07F9/09—Esters of phosphoric acids
    • C07F9/091—Esters of phosphoric acids with hydroxyalkyl compounds with further substituents on alkyl
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
    • C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Metallurgy (AREA)
  • Molecular Biology (AREA)
  • Inorganic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
BE727565D 1968-04-12 1969-01-29 BE727565A (un)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72110968A 1968-04-12 1968-04-12

Publications (1)

Publication Number Publication Date
BE727565A true BE727565A (un) 1969-07-29

Family

ID=24896582

Family Applications (1)

Application Number Title Priority Date Filing Date
BE727565D BE727565A (un) 1968-04-12 1969-01-29

Country Status (7)

Country Link
US (1) US3487018A (un)
BE (1) BE727565A (un)
DE (1) DE1904173A1 (un)
ES (1) ES363063A1 (un)
FR (1) FR2006112A1 (un)
GB (1) GB1229702A (un)
NL (1) NL6901387A (un)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3617578A (en) * 1969-11-25 1971-11-02 Nalco Chemical Co Scale inhibition and compounds therefor
US3617576A (en) * 1970-04-13 1971-11-02 Monsanto Co Methods of scale inhibition
US3633672A (en) * 1970-05-11 1972-01-11 Dow Chemical Co Inhibition of deposition of scale
US3714069A (en) * 1970-12-17 1973-01-30 Us Navy Corrosion preventing composition
US3901651A (en) * 1971-06-07 1975-08-26 Aquaphase Lab Inc Treating water to retard corrosion
US3865547A (en) * 1971-07-28 1975-02-11 Shell Oil Co Preventing corrosion during the pipeline transportation of coal slurries
US4042323A (en) * 1972-07-17 1977-08-16 Petrolite Corporation Process of inhibiting corrosion of metal in an aqueous environment with mixtures of thio-, oxygen and thio- oxygen phosphates and pyrophosphates
US3873465A (en) * 1973-02-15 1975-03-25 Nalco Chemical Co Phospho-ester composition for scale and corrosion inhibition
US4168230A (en) * 1976-11-10 1979-09-18 Nalco Chemical Company Synergistic composition comprising phosphorylated ethoxylated glycerine and polyacrylic acid for the prevention of CaCO3 scale in cooling water
US4132526A (en) * 1976-11-12 1979-01-02 Betz Laboratories, Inc. Process for protecting asbestos-cement bearing surfaces in recirculating cooling water systems
FR2462441A1 (fr) * 1979-07-26 1981-02-13 Rhone Poulenc Ind Procede de stabilisation des solutions de derives organiques du chrome hexavalent dans les solvants hydrocarbones par les esters phosphoriques
US4231894A (en) * 1980-01-17 1980-11-04 Betz Laboratories, Inc. Stabilized alkali metal bisulfite or sulfite-catalyzed solutions
US4384979A (en) * 1980-10-31 1983-05-24 Atlantic Richfield Company Corrosion inhibitor
US4328180A (en) * 1981-11-04 1982-05-04 Atlantic Richfield Company Cooling water corrosion inhibitor
US4544639A (en) * 1983-10-21 1985-10-01 Calgon Corporation Process for determining the amount of organic phosphonate present in an aqueous solution
US5683588A (en) * 1995-09-21 1997-11-04 Betzdearborn Inc. Stabilization of catalyzed aqueous sulfite and bisulfite ion solutions
US6558619B1 (en) * 1999-08-09 2003-05-06 Baker Hughes Incorporated High performance phosphorus-containing corrosion inhibitors for inhibiting corrosion drilling system fluids
GB0213600D0 (en) * 2002-06-13 2002-07-24 Bp Exploration Operating Process
US8210374B2 (en) 2003-12-02 2012-07-03 Alfred Knox Harpole Rackable collapsible stackable unit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341467A (en) * 1967-03-03 1967-09-12 Grace W R & Co Method of inhibiting foaming in aqueous systems

Also Published As

Publication number Publication date
FR2006112A1 (un) 1969-12-19
ES363063A1 (es) 1970-12-01
GB1229702A (un) 1971-04-28
DE1904173A1 (de) 1970-04-23
US3487018A (en) 1969-12-30
NL6901387A (un) 1969-10-14

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