FR2146403A1 - Acyldiphosphonic acids - from carboxyl anhydride and phosphorus acid or anhydride used as sequestrants - Google Patents

Acyldiphosphonic acids - from carboxyl anhydride and phosphorus acid or anhydride used as sequestrants

Info

Publication number
FR2146403A1
FR2146403A1 FR7226088A FR7226088A FR2146403A1 FR 2146403 A1 FR2146403 A1 FR 2146403A1 FR 7226088 A FR7226088 A FR 7226088A FR 7226088 A FR7226088 A FR 7226088A FR 2146403 A1 FR2146403 A1 FR 2146403A1
Authority
FR
France
Prior art keywords
anhydride
acids
acyldiphosphonic
sequestrants
phosphorus acid
Prior art date
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.)
Granted
Application number
FR7226088A
Other languages
English (en)
French (fr)
Other versions
FR2146403B1 (enExample
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.)
Solvay Solutions UK Ltd
Original Assignee
Albright and Wilson Ltd
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 GB1689271A external-priority patent/GB1349262A/en
Application filed by Albright and Wilson Ltd filed Critical Albright and Wilson Ltd
Publication of FR2146403A1 publication Critical patent/FR2146403A1/fr
Application granted granted Critical
Publication of FR2146403B1 publication Critical patent/FR2146403B1/fr
Granted legal-status Critical Current

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
    • 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
    • C07F9/3839—Polyphosphonic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7226088A 1971-07-22 1972-07-19 Acyldiphosphonic acids - from carboxyl anhydride and phosphorus acid or anhydride used as sequestrants Granted FR2146403A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3439971 1971-07-22
GB1689271A GB1349262A (en) 1970-05-25 1972-04-12 Hinge

Publications (2)

Publication Number Publication Date
FR2146403A1 true FR2146403A1 (en) 1973-03-02
FR2146403B1 FR2146403B1 (enExample) 1976-08-13

Family

ID=26252306

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226088A Granted FR2146403A1 (en) 1971-07-22 1972-07-19 Acyldiphosphonic acids - from carboxyl anhydride and phosphorus acid or anhydride used as sequestrants

Country Status (1)

Country Link
FR (1) FR2146403A1 (enExample)

Also Published As

Publication number Publication date
FR2146403B1 (enExample) 1976-08-13

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Legal Events

Date Code Title Description
ST Notification of lapse