FR2184939B1 - - Google Patents

Info

Publication number
FR2184939B1
FR2184939B1 FR7317768A FR7317768A FR2184939B1 FR 2184939 B1 FR2184939 B1 FR 2184939B1 FR 7317768 A FR7317768 A FR 7317768A FR 7317768 A FR7317768 A FR 7317768A FR 2184939 B1 FR2184939 B1 FR 2184939B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7317768A
Other versions
FR2184939A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Monsanto Co
Original Assignee
Monsanto Co
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
Priority claimed from US00254246A external-priority patent/US3809654A/en
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of FR2184939A1 publication Critical patent/FR2184939A1/fr
Application granted granted Critical
Publication of FR2184939B1 publication Critical patent/FR2184939B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C23F11/10—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 using organic inhibitors
    • C23F11/167—Phosphorus-containing compounds
    • C23F11/1676—Phosphonic acids
    • 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
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
    • C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
    • C07F9/3817—Acids containing the structure (RX)2P(=X)-alk-N...P (X = O, S, Se)
    • 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
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/40—Esters thereof
    • C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/4006—Esters of acyclic acids which can have 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Metallurgy (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
FR7317768A 1972-05-17 1973-05-16 Expired FR2184939B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25400872A 1972-05-17 1972-05-17
US25424772A 1972-05-17 1972-05-17
US00254246A US3809654A (en) 1972-05-17 1972-05-17 Methods of scale inhibition

Publications (2)

Publication Number Publication Date
FR2184939A1 FR2184939A1 (fr) 1973-12-28
FR2184939B1 true FR2184939B1 (fr) 1977-12-30

Family

ID=27400752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7317768A Expired FR2184939B1 (fr) 1972-05-17 1973-05-16

Country Status (6)

Country Link
JP (1) JPS4954241A (fr)
CA (1) CA1001164A (fr)
DE (1) DE2324763A1 (fr)
FR (1) FR2184939B1 (fr)
GB (1) GB1382568A (fr)
NL (1) NL7306731A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1051188A (fr) * 1974-12-03 1979-03-27 Chih M. Hwa Compose et methode de repression de la corrosion
GB8904256D0 (en) * 1989-02-24 1989-04-12 Warwick Int Ltd Scale inhibition
GB201200847D0 (en) * 2012-01-19 2012-02-29 Sentinel Performance Solutions Ltd Filter aid

Also Published As

Publication number Publication date
CA1001164A (en) 1976-12-07
JPS4954241A (fr) 1974-05-27
FR2184939A1 (fr) 1973-12-28
DE2324763A1 (de) 1973-11-29
GB1382568A (en) 1975-02-05
NL7306731A (fr) 1973-11-20

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Legal Events

Date Code Title Description
ST Notification of lapse