IT964749B - PROCEDURE FOR THE PRODUCTION OF PHOSPHONIC ACIDS - Google Patents
PROCEDURE FOR THE PRODUCTION OF PHOSPHONIC ACIDSInfo
- Publication number
- IT964749B IT964749B IT6937472A IT6937472A IT964749B IT 964749 B IT964749 B IT 964749B IT 6937472 A IT6937472 A IT 6937472A IT 6937472 A IT6937472 A IT 6937472A IT 964749 B IT964749 B IT 964749B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- phosphonic acids
- phosphonic
- acids
- Prior art date
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3439971 | 1971-07-22 | ||
| GB1689272A GB1398844A (en) | 1971-07-22 | 1972-04-12 | Manufacture of 1-hydroxyethane 1,1-diphosphonic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT964749B true IT964749B (en) | 1974-01-31 |
Family
ID=26252307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT6937472A IT964749B (en) | 1971-07-22 | 1972-07-21 | PROCEDURE FOR THE PRODUCTION OF PHOSPHONIC ACIDS |
Country Status (7)
| Country | Link |
|---|---|
| AU (1) | AU472994B2 (en) |
| BE (1) | BE786639A (en) |
| CH (1) | CH586715A5 (en) |
| DE (1) | DE2235689A1 (en) |
| GB (1) | GB1398844A (en) |
| IT (1) | IT964749B (en) |
| NL (1) | NL7209963A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3700772A1 (en) * | 1987-01-13 | 1988-07-21 | Inst Khim Kinetiki I Gorenija | Process for the preparation of 1-functionally substituted alkylidene-1,1-diphosphonic acids and their mixtures |
| EP3060568B1 (en) | 2013-10-25 | 2019-04-03 | Monsanto Technology LLC | Method for the synthesis of ethane-1-hydroxy-1,1-diphosphonic acid |
-
1972
- 1972-04-12 GB GB1689272A patent/GB1398844A/en not_active Expired
- 1972-07-19 NL NL7209963A patent/NL7209963A/xx not_active Application Discontinuation
- 1972-07-20 AU AU44744/72A patent/AU472994B2/en not_active Expired
- 1972-07-20 DE DE19722235689 patent/DE2235689A1/en active Pending
- 1972-07-21 CH CH1094872A patent/CH586715A5/xx not_active IP Right Cessation
- 1972-07-21 IT IT6937472A patent/IT964749B/en active
- 1972-07-24 BE BE786639A patent/BE786639A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2235689A1 (en) | 1973-02-01 |
| BE786639A (en) | 1972-11-16 |
| AU4474472A (en) | 1974-01-24 |
| GB1398844A (en) | 1975-06-25 |
| NL7209963A (en) | 1973-01-24 |
| CH586715A5 (en) | 1977-04-15 |
| AU472994B2 (en) | 1976-06-10 |
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