NL132375C - - Google Patents
Info
- Publication number
- NL132375C NL132375C NL132375DA NL132375C NL 132375 C NL132375 C NL 132375C NL 132375D A NL132375D A NL 132375DA NL 132375 C NL132375 C NL 132375C
- Authority
- NL
- Netherlands
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
-
- 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
- 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)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH43035A DE1148235B (en) | 1961-07-03 | 1961-07-03 | Process for the preparation of acylation products of phosphorous acid with at least 2 phosphorus atoms in the molecule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL132375C true NL132375C (en) |
Family
ID=7155064
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL132375D NL132375C (en) | 1961-07-03 | ||
| NL280425D NL280425A (en) | 1961-07-03 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL280425D NL280425A (en) | 1961-07-03 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE619620A (en) |
| CH (1) | CH418332A (en) |
| DE (1) | DE1148235B (en) |
| GB (1) | GB981252A (en) |
| NL (2) | NL280425A (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4060546A (en) * | 1961-07-03 | 1977-11-29 | Henkel Kommanditgesellschaft Auf Aktien | Process for the manufacture of acylation products of phosphorous acid |
| DE1248654B (en) * | 1964-11-11 | 1967-08-31 | Albright & Wilson (Mf g) Limited, Oldbury, Warwickshire (Großbritannien) | Process for the production of phosphonic acids and their salts |
| US3400148A (en) * | 1965-09-23 | 1968-09-03 | Procter & Gamble | Phosphonate compounds |
| US3400176A (en) * | 1965-11-15 | 1968-09-03 | Procter & Gamble | Propanepolyphosphonate compounds |
| US3504018A (en) * | 1966-12-19 | 1970-03-31 | Monsanto Co | Process for preparing phosphonic 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 |
| DE2745083C2 (en) | 1977-10-07 | 1985-05-02 | Henkel KGaA, 4000 Düsseldorf | Hydroxydiphosphonic acids and processes for their preparation |
| KR101422910B1 (en) * | 2012-04-30 | 2014-07-23 | 삼성전기주식회사 | Optical system for camera |
| EP3060568B1 (en) | 2013-10-25 | 2019-04-03 | Monsanto Technology LLC | Method for the synthesis of ethane-1-hydroxy-1,1-diphosphonic acid |
| US20160251385A1 (en) | 2013-10-25 | 2016-09-01 | Straitmark Holding Ag | Method For The Synthesis Of Alkane-1-Hydroxy-1,1-Diphosphonic Acid |
-
0
- NL NL132375D patent/NL132375C/xx active
- NL NL280425D patent/NL280425A/xx unknown
-
1961
- 1961-07-03 DE DEH43035A patent/DE1148235B/en active Pending
-
1962
- 1962-04-19 CH CH478562A patent/CH418332A/en unknown
- 1962-06-28 GB GB2480262A patent/GB981252A/en not_active Expired
- 1962-07-02 BE BE619620A patent/BE619620A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE619620A (en) | 1963-01-02 |
| NL280425A (en) | |
| GB981252A (en) | 1965-01-20 |
| DE1148235B (en) | 1963-05-09 |
| CH418332A (en) | 1966-08-15 |