FR2344565A1 - Acides diphosphoniques et leurs sels alcalins, procede de preparation et utilisation comme complexants adoucisseurs d'eau - Google Patents

Acides diphosphoniques et leurs sels alcalins, procede de preparation et utilisation comme complexants adoucisseurs d'eau

Info

Publication number
FR2344565A1
FR2344565A1 FR7607327A FR7607327A FR2344565A1 FR 2344565 A1 FR2344565 A1 FR 2344565A1 FR 7607327 A FR7607327 A FR 7607327A FR 7607327 A FR7607327 A FR 7607327A FR 2344565 A1 FR2344565 A1 FR 2344565A1
Authority
FR
France
Prior art keywords
cpds
hydroxyalkyl
aminoalkane
alkali metal
metal salts
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
FR7607327A
Other languages
English (en)
Other versions
FR2344565B1 (fr
Inventor
Klaus Sommer
Gunter Raab
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.)
BK Ladenburg GmbH
Original Assignee
Benckiser Knapsack GmbH
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 to DE2504724A priority Critical patent/DE2504724C3/de
Priority claimed from NL7602477.A external-priority patent/NL165174C/xx
Application filed by Benckiser Knapsack GmbH filed Critical Benckiser Knapsack GmbH
Priority to FR7607327A priority patent/FR2344565A1/fr
Priority claimed from GB10771/76A external-priority patent/GB1511074A/en
Publication of FR2344565A1 publication Critical patent/FR2344565A1/fr
Application granted granted Critical
Publication of FR2344565B1 publication Critical patent/FR2344565B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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 System
    • 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, i.e. RP(=X)(XH)2 (X = S, Se)
    • C07F9/3804—Phosphonic acids RP(=O)(OH)2; Thiophosphonic acids, i.e. RP(=X)(XH)2 (X = S, Se) not used, see subgroups
    • C07F9/3839—Polyphosphonic acids
    • C07F9/3873—Polyphosphonic acids containing nitrogen substituent, e.g. N.....H or N-hydrocarbon group which can be substituted by halogen or nitro(so), N.....O, N.....S, N.....C(=X)- (X =O, S), N.....N, N...C(=X)...N (X =O, S)
FR7607327A 1975-02-05 1976-03-15 Acides diphosphoniques et leurs sels alcalins, procede de preparation et utilisation comme complexants adoucisseurs d'eau Granted FR2344565A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE2504724A DE2504724C3 (de) 1975-02-05 1975-02-05 N-Hydroxyalkan-aminoalkan-diphosphonsäuren und deren Alkalisalze
FR7607327A FR2344565A1 (fr) 1975-02-05 1976-03-15 Acides diphosphoniques et leurs sels alcalins, procede de preparation et utilisation comme complexants adoucisseurs d'eau

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2504724A DE2504724C3 (de) 1975-02-05 1975-02-05 N-Hydroxyalkan-aminoalkan-diphosphonsäuren und deren Alkalisalze
NL7602477.A NL165174C (nl) 1975-02-05 1976-03-09 Werkwijze voor de bereiding van aminoalkaandifosfon- zuurderivaten en de alkalimetaalzouten daarvan.
FR7607327A FR2344565A1 (fr) 1975-02-05 1976-03-15 Acides diphosphoniques et leurs sels alcalins, procede de preparation et utilisation comme complexants adoucisseurs d'eau
GB10771/76A GB1511074A (en) 1975-02-05 1976-03-17 Hydroxyalkylaminoalkane diphosphonic acids and their salts with bases

Publications (2)

Publication Number Publication Date
FR2344565A1 true FR2344565A1 (fr) 1977-10-14
FR2344565B1 FR2344565B1 (fr) 1979-06-29

Family

ID=27431950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7607327A Granted FR2344565A1 (fr) 1975-02-05 1976-03-15 Acides diphosphoniques et leurs sels alcalins, procede de preparation et utilisation comme complexants adoucisseurs d'eau

Country Status (2)

Country Link
DE (1) DE2504724C3 (fr)
FR (1) FR2344565A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133308A1 (de) * 1981-08-22 1983-03-17 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur herstellung von n-alkyl-aminomethandiphosphonsaeuren
DE3232754A1 (de) * 1981-08-22 1984-03-08 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur herstellung von n-alkyl-aminomethan-diphosphonsaeuren

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2748366A1 (de) * 1977-10-28 1979-05-03 Benckiser Knapsack Gmbh N-sulfohydroxyalkan-aminoalkanphosphonsaeuren, deren alkalisalze und verfahren zu ihrer herstellung
DE2933969C2 (de) 1979-08-22 1982-02-25 Benckiser-Knapsack Gmbh, 6802 Ladenburg N-(Hydroxymethyl)-aminoalkan-diphosphonsäuren sowie diese Verbindungen enthaltende Stabilisatoren
EP3860956A1 (fr) 2018-10-03 2021-08-11 Italmatch Chemicals S.p.A. Procédé de fabrication d'acides aminés de n-alkyl-diphosphonate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133308A1 (de) * 1981-08-22 1983-03-17 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur herstellung von n-alkyl-aminomethandiphosphonsaeuren
DE3232754A1 (de) * 1981-08-22 1984-03-08 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur herstellung von n-alkyl-aminomethan-diphosphonsaeuren

Also Published As

Publication number Publication date
FR2344565B1 (fr) 1979-06-29
DE2504724B2 (de) 1978-12-07
DE2504724A1 (de) 1976-08-19
DE2504724C3 (de) 1979-08-09

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Legal Events

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