NL280425A - - Google Patents
Info
- Publication number
- NL280425A NL280425A NL280425DA NL280425A NL 280425 A NL280425 A NL 280425A NL 280425D A NL280425D A NL 280425DA NL 280425 A NL280425 A NL 280425A
- 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)
- 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 |
---|---|---|---|
DEH43035A DE1148235B (de) | 1961-07-03 | 1961-07-03 | Verfahren zur Herstellung von Acylierungsprodukten der phosphorigen Saeure mit mindestens 2 Phosphoratomen im Molekuel |
Publications (1)
Publication Number | Publication Date |
---|---|
NL280425A true NL280425A (ru) |
Family
ID=7155064
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL280425D NL280425A (ru) | 1961-07-03 | ||
NL132375D NL132375C (ru) | 1961-07-03 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL132375D NL132375C (ru) | 1961-07-03 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE619620A (ru) |
CH (1) | CH418332A (ru) |
DE (1) | DE1148235B (ru) |
GB (1) | GB981252A (ru) |
NL (2) | NL132375C (ru) |
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 (de) * | 1964-11-11 | 1967-08-31 | Albright & Wilson (Mf g) Limited, Oldbury, Warwickshire (Großbritannien) | Verfahren zur Herstellung von Phosphonsäuren und deren Salzen |
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 (de) | 1977-10-07 | 1985-05-02 | Henkel KGaA, 4000 Düsseldorf | Hydroxydiphosphonsäuren und Verfahren zu deren Herstellung |
KR101422910B1 (ko) * | 2012-04-30 | 2014-07-23 | 삼성전기주식회사 | 카메라용 광학계 |
WO2015059288A1 (en) | 2013-10-25 | 2015-04-30 | Straitmark Holding Ag | Method for the synthesis of ethane-1-hydroxy-1,1-diphosphonic acid |
WO2015059287A1 (en) | 2013-10-25 | 2015-04-30 | Straitmark Holding Ag | Method for the synthesis of alkane-1-hydroxy-1,1-diphosphonic acid |
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0
- NL NL280425D patent/NL280425A/xx unknown
- NL NL132375D patent/NL132375C/xx active
-
1961
- 1961-07-03 DE DEH43035A patent/DE1148235B/de active Pending
-
1962
- 1962-04-19 CH CH478562A patent/CH418332A/de unknown
- 1962-06-28 GB GB2480262A patent/GB981252A/en not_active Expired
- 1962-07-02 BE BE619620A patent/BE619620A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
BE619620A (fr) | 1963-01-02 |
GB981252A (en) | 1965-01-20 |
CH418332A (de) | 1966-08-15 |
DE1148235B (de) | 1963-05-09 |
NL132375C (ru) |