NO812950L - Forbedringer i forbindelse med aminometylenfosforsyreopploesninger - Google Patents
Forbedringer i forbindelse med aminometylenfosforsyreopploesningerInfo
- Publication number
- NO812950L NO812950L NO812950A NO812950A NO812950L NO 812950 L NO812950 L NO 812950L NO 812950 A NO812950 A NO 812950A NO 812950 A NO812950 A NO 812950A NO 812950 L NO812950 L NO 812950L
- Authority
- NO
- Norway
- Prior art keywords
- acid
- phosphoric acid
- acid solutions
- tendency
- improvements related
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
- -1 AMINOMETHYLENE Chemical class 0.000 title 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 4
- 239000002253 acid Substances 0.000 abstract 4
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 2
- 239000011707 mineral Substances 0.000 abstract 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- DUYCTCQXNHFCSJ-UHFFFAOYSA-N dtpmp Chemical compound OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)(O)=O DUYCTCQXNHFCSJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000003352 sequestering agent Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8028124 | 1980-09-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO812950L true NO812950L (no) | 1982-03-02 |
NO161320B NO161320B (no) | 1989-04-24 |
NO161320C 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)
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 |
ES2157971T3 (es) | 1994-09-01 | 2001-09-01 | Solutia Europ Nv Sa | Concentrados de fosfonato de hexametileno. |
Family Cites Families (4)
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 |
-
1981
- 1981-08-28 ZA ZA815999A patent/ZA815999B/xx unknown
- 1981-08-28 EP EP81303946A patent/EP0047150B2/en not_active Expired
- 1981-08-28 DE DE8181303946T patent/DE3164182D1/de not_active Expired
- 1981-08-28 AU AU74723/81A patent/AU539856B2/en not_active Expired
- 1981-08-28 FI FI812674A patent/FI67091C/fi not_active IP Right Cessation
- 1981-08-28 NZ NZ198206A patent/NZ198206A/en unknown
- 1981-08-28 AT AT81303946T patent/ATE7919T1/de not_active IP Right Cessation
- 1981-08-31 NO NO812950A patent/NO161320C/no unknown
- 1981-08-31 CA CA000384911A patent/CA1160036A/en not_active Expired
-
1984
- 1984-10-11 US US06/659,593 patent/US4615840A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4615840A (en) | 1986-10-07 |
FI812674L (fi) | 1982-03-02 |
FI67091C (fi) | 1985-01-10 |
FI67091B (fi) | 1984-09-28 |
ATE7919T1 (de) | 1984-06-15 |
DE3164182D1 (en) | 1984-07-19 |
NO161320C (no) | 1989-08-02 |
EP0047150A2 (en) | 1982-03-10 |
CA1160036A (en) | 1984-01-10 |
EP0047150B2 (en) | 1988-10-19 |
ZA815999B (en) | 1982-08-25 |
EP0047150B1 (en) | 1984-06-13 |
EP0047150A3 (en) | 1982-07-14 |
AU539856B2 (en) | 1984-10-18 |
NO161320B (no) | 1989-04-24 |
AU7472381A (en) | 1982-03-11 |
NZ198206A (en) | 1984-02-03 |
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