CH548421A - Verfahren zur herstellung von nitrilo-tris-(methylenphosphonsaeure). - Google Patents
Verfahren zur herstellung von nitrilo-tris-(methylenphosphonsaeure).Info
- Publication number
- CH548421A CH548421A CH388671A CH388671A CH548421A CH 548421 A CH548421 A CH 548421A CH 388671 A CH388671 A CH 388671A CH 388671 A CH388671 A CH 388671A CH 548421 A CH548421 A CH 548421A
- Authority
- CH
- Switzerland
- Prior art keywords
- nitrilo
- tris
- production
- phosphonic acid
- methylene phosphonic
- Prior art date
Links
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 title 1
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
- C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
- C07F9/3817—Acids containing the structure (RX)2P(=X)-alk-N...P (X = O, S, Se)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702013372 DE2013372C3 (de) | 1970-03-20 | Verfahren zur Herstellung von Nitrilo-tris-(methylenphosphonsäure) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH548421A true CH548421A (de) | 1974-04-30 |
Family
ID=5765729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH388671A CH548421A (de) | 1970-03-20 | 1971-03-17 | Verfahren zur herstellung von nitrilo-tris-(methylenphosphonsaeure). |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4009204A (xx) |
| AT (1) | AT299974B (xx) |
| BE (1) | BE764270A (xx) |
| CH (1) | CH548421A (xx) |
| FR (1) | FR2084741A5 (xx) |
| GB (1) | GB1278226A (xx) |
| NL (1) | NL162913C (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2829046A1 (de) * | 1978-07-01 | 1980-01-10 | Benckiser Knapsack Gmbh | Verfahren zur herstellung von acylamino-methanphosphonsaeuren |
| US4422982A (en) * | 1982-06-30 | 1983-12-27 | Stauffer Chemical Company | Method for preparation of N-phosphonomethylglycine |
| US4657705A (en) * | 1985-09-23 | 1987-04-14 | Monsanto Company | Process for the preparation of N-substituted aminomethylphosphonic acids |
| US4804499A (en) * | 1985-09-23 | 1989-02-14 | Monsanto Company | Process for the preparation of N-substituted aminomethylphosphonic acids |
| US5495042A (en) * | 1993-11-04 | 1996-02-27 | Cytogen Corporation | Non-alkaline purification of aminophosphonic acids |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL55478C (xx) * | 1939-02-21 | |||
| CA775575A (en) * | 1961-11-13 | 1968-01-09 | R. Irani Riyad | Organic phosphorus compounds |
| DE1249275B (de) * | 1965-12-16 | 1967-09-07 | Knapsack Aktiengesellschaft Knap sack bei Köln | Verfahren zur Herstellung von Nitrilo - tris - methylenphosphonsaure |
| GB1142294A (en) * | 1966-02-08 | 1969-02-05 | Albright & Wilson Mfg Ltd | Improvements in production of amino alkylene phosphonic acids |
| FR91049E (fr) * | 1966-02-14 | 1968-03-29 | Kuhlmann Ets | Polyols phosphorés et azotés, procédé pour leur obtention et leurs applications |
-
1971
- 1971-03-15 BE BE764270A patent/BE764270A/xx unknown
- 1971-03-17 CH CH388671A patent/CH548421A/xx not_active IP Right Cessation
- 1971-03-17 FR FR7109309A patent/FR2084741A5/fr not_active Expired
- 1971-03-18 US US05/125,852 patent/US4009204A/en not_active Expired - Lifetime
- 1971-03-19 AT AT240171A patent/AT299974B/de active
- 1971-03-19 NL NL7103745.A patent/NL162913C/xx not_active IP Right Cessation
- 1971-04-19 GB GB25107/71A patent/GB1278226A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL162913C (nl) | 1980-07-15 |
| GB1278226A (en) | 1972-06-21 |
| FR2084741A5 (xx) | 1971-12-17 |
| NL162913B (nl) | 1980-02-15 |
| US4009204A (en) | 1977-02-22 |
| AT299974B (de) | 1972-07-10 |
| BE764270A (fr) | 1971-08-02 |
| DE2013372A1 (de) | 1971-10-14 |
| NL7103745A (xx) | 1971-09-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |