BE655066A - - Google Patents
Info
- Publication number
- BE655066A BE655066A BE655066DA BE655066A BE 655066 A BE655066 A BE 655066A BE 655066D A BE655066D A BE 655066DA BE 655066 A BE655066 A BE 655066A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
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- 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)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH50724A DE1194852B (de) | 1963-11-02 | 1963-11-02 | Verfahren zur Herstellung von Phosphonsaeuren oder deren Salzen mit mindestens zwei Phosphoratomen im Molekuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE655066A true BE655066A (de) | 1965-04-30 |
Family
ID=7157463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE655066D BE655066A (de) | 1963-11-02 | 1964-10-30 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE655066A (de) |
| CH (1) | CH441307A (de) |
| DE (1) | DE1194852B (de) |
| GB (1) | GB1032378A (de) |
| NL (1) | NL141203B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US3400148A (en) * | 1965-09-23 | 1968-09-03 | Procter & Gamble | Phosphonate compounds |
| US3400176A (en) * | 1965-11-15 | 1968-09-03 | Procter & Gamble | Propanepolyphosphonate compounds |
| US3959360A (en) * | 1975-07-31 | 1976-05-25 | Monsanto Company | Process for preparing 1-hydroxy, ethylidene-1,1-diphosphonic acid |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL124638C (de) * | 1961-07-03 |
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1963
- 1963-11-02 DE DEH50724A patent/DE1194852B/de active Pending
-
1964
- 1964-09-02 NL NL6410204A patent/NL141203B/xx not_active IP Right Cessation
- 1964-10-28 GB GB4390164A patent/GB1032378A/en not_active Expired
- 1964-10-30 CH CH1404464A patent/CH441307A/de unknown
- 1964-10-30 BE BE655066D patent/BE655066A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH441307A (de) | 1967-08-15 |
| NL141203B (nl) | 1974-02-15 |
| DE1194852B (de) | 1965-06-16 |
| NL6410204A (de) | 1965-05-03 |
| GB1032378A (en) | 1966-06-08 |