ZA815999B - Aminomethylenephosphonic acid solutions - Google Patents

Aminomethylenephosphonic acid solutions

Info

Publication number
ZA815999B
ZA815999B ZA815999A ZA815999A ZA815999B ZA 815999 B ZA815999 B ZA 815999B ZA 815999 A ZA815999 A ZA 815999A ZA 815999 A ZA815999 A ZA 815999A ZA 815999 B ZA815999 B ZA 815999B
Authority
ZA
South Africa
Prior art keywords
acid
aminomethylenephosphonic
tendency
weight
solution
Prior art date
Application number
ZA815999A
Other languages
English (en)
Inventor
Michel Alex Omer Ledent
Bronislav Henri May
Original Assignee
Monsanto Europe Sa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10515755&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA815999(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Monsanto Europe Sa filed Critical Monsanto Europe Sa
Publication of ZA815999B publication Critical patent/ZA815999B/xx

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 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
ZA815999A 1980-09-01 1981-08-28 Aminomethylenephosphonic acid solutions ZA815999B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8028124 1980-09-01

Publications (1)

Publication Number Publication Date
ZA815999B true ZA815999B (en) 1982-08-25

Family

ID=10515755

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA815999A ZA815999B (en) 1980-09-01 1981-08-28 Aminomethylenephosphonic acid solutions

Country Status (10)

Country Link
US (1) US4615840A (fr)
EP (1) EP0047150B2 (fr)
AT (1) ATE7919T1 (fr)
AU (1) AU539856B2 (fr)
CA (1) CA1160036A (fr)
DE (1) DE3164182D1 (fr)
FI (1) FI67091C (fr)
NO (1) NO161320C (fr)
NZ (1) NZ198206A (fr)
ZA (1) ZA815999B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728460A (en) * 1980-09-01 1988-03-01 Monsanto Company Aminomethylenephosphonic acid solutions
US4489203A (en) * 1982-09-27 1984-12-18 The Dow Chemical Company Polyumeric alkylene phosphoric acid piperazine derivatives as scale inhibitors
GB8405573D0 (en) * 1984-03-02 1984-04-04 Procter & Gamble Aqueous aminomethylenephosphonic acid solutions
US5312973A (en) * 1993-03-25 1994-05-17 Finchimica S.P.A. Process for producing n-phosphono-methyl-imino-diacetic acid
DE69427348T2 (de) 1994-09-01 2002-06-13 Solutia Europe N.V./S.A., Bruessel/Bruxelles Hexamethylene Phosphonatkonzentrat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2132511C3 (de) * 1971-06-30 1974-06-27 Joh. A. Benckiser Gmbh, 6700 Ludwigshafen Verfahren zur Herstellung von Aminomethylenphosphonsäuren
US3974090A (en) * 1975-03-20 1976-08-10 Monsanto Company Imino alkylimino phosphonates and method for preparing and using same
US4304762A (en) * 1978-09-27 1981-12-08 Lever Brothers Company Stabilization of hydrogen peroxide
US4477390A (en) * 1981-08-21 1984-10-16 Monsanto Company Aminomethylenephosphonic acid solutions

Also Published As

Publication number Publication date
DE3164182D1 (en) 1984-07-19
NO161320C (no) 1989-08-02
AU7472381A (en) 1982-03-11
FI67091C (fi) 1985-01-10
AU539856B2 (en) 1984-10-18
FI812674L (fi) 1982-03-02
EP0047150A2 (fr) 1982-03-10
NZ198206A (en) 1984-02-03
CA1160036A (fr) 1984-01-10
NO812950L (no) 1982-03-02
EP0047150A3 (en) 1982-07-14
NO161320B (no) 1989-04-24
EP0047150B2 (fr) 1988-10-19
FI67091B (fi) 1984-09-28
ATE7919T1 (de) 1984-06-15
US4615840A (en) 1986-10-07
EP0047150B1 (fr) 1984-06-13

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