ES2081433T3 - Oligomeros de fosfinatos, composiciones que los contienen y procedimiento para su obtencion y utilizacion. - Google Patents
Oligomeros de fosfinatos, composiciones que los contienen y procedimiento para su obtencion y utilizacion.Info
- Publication number
- ES2081433T3 ES2081433T3 ES91303204T ES91303204T ES2081433T3 ES 2081433 T3 ES2081433 T3 ES 2081433T3 ES 91303204 T ES91303204 T ES 91303204T ES 91303204 T ES91303204 T ES 91303204T ES 2081433 T3 ES2081433 T3 ES 2081433T3
- Authority
- ES
- Spain
- Prior art keywords
- compositions
- oligomer
- oligomeros
- phosphinates
- procedure
- 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.)
- Expired - Lifetime
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
- C02F5/145—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 combined with inorganic substances
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
UNA COMPOSICION QUE CONTIENE PREDOMINANTEMENTE FOSFINATO QUE TIENE COMO INGREDIENTE MAYORITARIO MAS DE 32% DE MOL DE UN OLIGOMERO DE ACIDO FOSFINICOSUCCINICO QUE TIENE LA PROBABLE FORMULA ESTRUCTURAL: M ES H, NA, K, NH SUB 4, O MEZCLAS DE ESTA; Y M Y N SON O O UN NUMERO ENTERO PEQUEÑO SIEMPRE Y CUANDO M O N SEA UN NUMERO ENTERO PEQUEÑO Y QUE LA SUMA DE M MAS N SEA MAYOR DE 2. TAMBIEN SE PRESENTA UN METODO PARA HACER ESTAS COMPOSICIONES, QUE PROVOCA LA REACCION DE UN ACIDO MOLEICO CON EXCESO DE HIPOFOSFITA SOLUBLE EN AGUA, CON UNA RELACION MOLAR DE 2.3 A 3, Y EL USO DE ESTAS COMPOSICIONES Y DEL OLIGOMERO PARA PREVENIR O INHIBIR LA FORMACION DE ESCAMAS EN MEDIOS ACUOSOS, PARTICULARMENTE EN AGUA DE REFRIGERACION ALCALINA.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/514,444 US5085794A (en) | 1990-04-25 | 1990-04-25 | Oligomer containing phosphinate compositions and their method of manufacture |
US07/521,627 US5023000A (en) | 1990-05-10 | 1990-05-10 | Oligomer-containing phosphate scale inhibitors |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2081433T3 true ES2081433T3 (es) | 1996-03-16 |
Family
ID=27058202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91303204T Expired - Lifetime ES2081433T3 (es) | 1990-04-25 | 1991-04-11 | Oligomeros de fosfinatos, composiciones que los contienen y procedimiento para su obtencion y utilizacion. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0454323B1 (es) |
DE (1) | DE69114177T2 (es) |
ES (1) | ES2081433T3 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6585780B2 (en) | 2000-01-14 | 2003-07-01 | Rhodia Inc. | Crosslinking agents for textile finishing baths and process for using same |
WO2015084830A1 (en) * | 2013-12-02 | 2015-06-11 | Ecolab Usa Inc. | Tetrazole based corrosion inhibitors |
US11149202B1 (en) | 2016-12-13 | 2021-10-19 | Ecolab Usa Inc. | Tetracarboxylic acid combinations for corrosion inhibition |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US445983A (en) * | 1891-02-10 | Machine for cutting or slicing minerals | ||
CA1069800A (en) * | 1976-06-07 | 1980-01-15 | Lewis Volgenau | Method of dispersing calcium carbonate |
US4088678A (en) * | 1976-07-01 | 1978-05-09 | Nalco Chemical Company | Substituted succinic acid compounds and their use as chelants |
DE3233411A1 (de) * | 1982-09-09 | 1984-03-15 | Henkel KGaA, 4000 Düsseldorf | Verfahren zum verdichten von anodisch erzeugten oxidschichten auf aluminium oder aluminiumlegierungen |
US4913823A (en) * | 1988-10-14 | 1990-04-03 | The Mogul Corporation | Process for dissolving and removing scale from aqueous systems |
-
1991
- 1991-04-11 EP EP91303204A patent/EP0454323B1/en not_active Expired - Lifetime
- 1991-04-11 ES ES91303204T patent/ES2081433T3/es not_active Expired - Lifetime
- 1991-04-11 DE DE1991614177 patent/DE69114177T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0454323A1 (en) | 1991-10-30 |
DE69114177T2 (de) | 1996-06-05 |
EP0454323B1 (en) | 1995-11-02 |
DE69114177D1 (de) | 1995-12-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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