NL280424A - - Google Patents
Info
- Publication number
- NL280424A NL280424A NL280424DA NL280424A NL 280424 A NL280424 A NL 280424A NL 280424D A NL280424D A NL 280424DA NL 280424 A NL280424 A NL 280424A
- Authority
- NL
- Netherlands
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
- 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
-
- 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
- C07F9/3839—Polyphosphonic acids
- C07F9/386—Polyphosphonic acids containing hydroxy substituents in the hydrocarbon radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH43034A DE1148551B (de) | 1961-07-03 | 1961-07-03 | Verfahren zur Herstellung von Phosphonsaeuren bzw. deren Salzen mit mindestens 2 Phosphoratomen im Molekuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL280424A true NL280424A (es) |
Family
ID=7155063
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL280424D NL280424A (es) | 1961-07-03 | ||
| NL124638D NL124638C (es) | 1961-07-03 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL124638D NL124638C (es) | 1961-07-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3551480A (es) |
| BE (1) | BE619619A (es) |
| CH (1) | CH433289A (es) |
| DE (1) | DE1148551B (es) |
| GB (1) | GB978297A (es) |
| NL (2) | NL124638C (es) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1194852B (de) * | 1963-11-02 | 1965-06-16 | Henkel & Cie Gmbh | Verfahren zur Herstellung von Phosphonsaeuren oder deren Salzen mit mindestens zwei Phosphoratomen im Molekuel |
| US3855284A (en) * | 1963-11-02 | 1974-12-17 | Henkel & Cie Gmbh | Process for the manufacture of phosphonic acids and phosphonates having at least two phosphorus atoms |
| DE1250439B (de) * | 1965-03-30 | 1967-09-21 | The Procter & Gamble Company, Cincinnati, Ohio (V. St. A.) | Verfahren zur Herstellung von Äthan - 1 - hydroxy - 1,1-diphosphonsäure |
| DE1261850B (de) * | 1965-03-30 | 1968-02-29 | Procter & Gamble | Verfahren zur Herstellung von AEthan-1-hydroxy-1,1-diphosphonsaeure |
| CA770172A (en) * | 1965-03-30 | 1967-10-24 | T. Quimby Oscar | Class of organo phosphorous compounds and process for preparing members thereof |
| DE1251759B (de) * | 1965-03-30 | 1967-10-12 | The Procter S. Gamble Company, Cincinnati, Ohio (V St A) | Verfahren zur kontinuierlichen Herstellung von Athan 1 hydroxy - 1 1-diphosphonsaure |
| US3366677A (en) * | 1965-05-13 | 1968-01-30 | Procter & Gamble | Low temperature preparation of ethane-1-hydroxy-1, 1-diphosphonic acid |
| US3400150A (en) * | 1965-07-29 | 1968-09-03 | Procter & Gamble | Process for preparing hydroxydiphosphonic acids from elemental phosphorous, oxygen and carboxylic acids |
| US3449410A (en) * | 1966-05-05 | 1969-06-10 | Monsanto Co | Process for preparing phosphonic acids |
| US3475486A (en) * | 1966-09-12 | 1969-10-28 | Monsanto Co | Process for preparing phosphonic acids |
| US3449409A (en) * | 1966-09-13 | 1969-06-10 | Monsanto Co | Process for preparing prosphonic acids |
| US3496223A (en) * | 1966-12-19 | 1970-02-17 | Monsanto Co | Process for preparing phosphonic acids |
| US3527795A (en) * | 1967-11-20 | 1970-09-08 | Monsanto Co | Process for preparing water-soluble salts of organic phosphorus acids |
| US3484480A (en) * | 1968-02-23 | 1969-12-16 | Procter & Gamble | Process for separating ethane - 1 - hydroxy-1,1-diphosphonic acid from a solution of it in an organic solvent which also contains oxyacids of phosphorus |
| DE2325829C2 (de) * | 1973-05-22 | 1982-04-01 | Henkel KGaA, 4000 Düsseldorf | Sequestrierungsmittel |
| US4032379A (en) * | 1974-02-11 | 1977-06-28 | Philip A. Hunt Chemical Corporation | Nitric acid system for etching magnesium plates |
| US3959360A (en) * | 1975-07-31 | 1976-05-25 | Monsanto Company | Process for preparing 1-hydroxy, ethylidene-1,1-diphosphonic acid |
| 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 |
| US4559181A (en) * | 1982-08-25 | 1985-12-17 | Minemet Rechreche | Hydroxy-diphosphonic acid derivatives of higher carboxylic acids |
| DE3334211A1 (de) * | 1983-09-22 | 1985-04-04 | Henkel KGaA, 4000 Düsseldorf | Dihydroxyalkandiphosphonsaeuren |
| DE10049735A1 (de) | 2000-09-28 | 2002-04-18 | Jenapharm Gmbh | Verfahren zur Isolierung von pharmazeutisch verwertbarem Etidronat-Dinatrium |
| CN104478924A (zh) * | 2014-12-15 | 2015-04-01 | 常州大学 | 一种羟基乙叉二膦酸的“一步法”合成方法 |
| CN104497042A (zh) * | 2014-12-15 | 2015-04-08 | 常州大学 | 一种低磷缓蚀阻垢剂的合成方法及应用 |
| CN106905362B (zh) * | 2017-03-02 | 2018-08-21 | 太原理工大学 | 一种端烯基不饱和膦酸单体及其制备方法 |
-
0
- NL NL280424D patent/NL280424A/xx unknown
- NL NL124638D patent/NL124638C/xx active
-
1961
- 1961-07-03 DE DEH43034A patent/DE1148551B/de active Pending
-
1962
- 1962-04-19 CH CH478462A patent/CH433289A/de unknown
- 1962-06-07 GB GB21989/62A patent/GB978297A/en not_active Expired
- 1962-07-02 BE BE619619A patent/BE619619A/fr unknown
-
1967
- 1967-02-02 US US613415A patent/US3551480A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1148551B (de) | 1963-05-16 |
| CH433289A (de) | 1967-04-15 |
| US3551480A (en) | 1970-12-29 |
| GB978297A (en) | 1964-12-23 |
| NL124638C (es) | |
| BE619619A (fr) | 1963-01-02 |