NO161320C - Vandig opploesning av en aminometylenfosfonsyre samt fremgangsmaate for stabilisering av vandige opploesninger av slike fosfonsyrer. - Google Patents

Vandig opploesning av en aminometylenfosfonsyre samt fremgangsmaate for stabilisering av vandige opploesninger av slike fosfonsyrer.

Info

Publication number
NO161320C
NO161320C NO812950A NO812950A NO161320C NO 161320 C NO161320 C NO 161320C NO 812950 A NO812950 A NO 812950A NO 812950 A NO812950 A NO 812950A NO 161320 C NO161320 C NO 161320C
Authority
NO
Norway
Prior art keywords
acid
procedure
aqueous solution
aminomethylene
stabilizing
Prior art date
Application number
NO812950A
Other languages
English (en)
Other versions
NO161320B (no
NO812950L (no
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=NO161320(C) "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 NO812950L publication Critical patent/NO812950L/no
Publication of NO161320B publication Critical patent/NO161320B/no
Publication of NO161320C publication Critical patent/NO161320C/no

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)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • General Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
NO812950A 1980-09-01 1981-08-31 Vandig opploesning av en aminometylenfosfonsyre samt fremgangsmaate for stabilisering av vandige opploesninger av slike fosfonsyrer. NO161320C (no)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO812950L NO812950L (no) 1982-03-02
NO161320B NO161320B (no) 1989-04-24
NO161320C true NO161320C (no) 1989-08-02

Family

ID=10515755

Family Applications (1)

Application Number Title Priority Date Filing Date
NO812950A NO161320C (no) 1980-09-01 1981-08-31 Vandig opploesning av en aminometylenfosfonsyre samt fremgangsmaate for stabilisering av vandige opploesninger av slike fosfonsyrer.

Country Status (10)

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

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
CA1160036A (en) 1984-01-10
AU539856B2 (en) 1984-10-18
ZA815999B (en) 1982-08-25
FI67091B (fi) 1984-09-28
EP0047150A2 (en) 1982-03-10
ATE7919T1 (de) 1984-06-15
FI812674L (fi) 1982-03-02
DE3164182D1 (en) 1984-07-19
US4615840A (en) 1986-10-07
FI67091C (fi) 1985-01-10
EP0047150A3 (en) 1982-07-14
EP0047150B2 (en) 1988-10-19
NO161320B (no) 1989-04-24
NO812950L (no) 1982-03-02
AU7472381A (en) 1982-03-11
NZ198206A (en) 1984-02-03
EP0047150B1 (en) 1984-06-13

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