CH364494A - Verfahren zur Herstellung von reinem Natriumhypophosphit - Google Patents
Verfahren zur Herstellung von reinem NatriumhypophosphitInfo
- Publication number
- CH364494A CH364494A CH5457958A CH5457958A CH364494A CH 364494 A CH364494 A CH 364494A CH 5457958 A CH5457958 A CH 5457958A CH 5457958 A CH5457958 A CH 5457958A CH 364494 A CH364494 A CH 364494A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- sodium hypophosphite
- pure sodium
- pure
- hypophosphite
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT88057 | 1957-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH364494A true CH364494A (de) | 1962-09-30 |
Family
ID=11100222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH5457958A CH364494A (de) | 1957-01-18 | 1958-01-10 | Verfahren zur Herstellung von reinem Natriumhypophosphit |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3052519A (de) |
| BE (1) | BE564049A (de) |
| CH (1) | CH364494A (de) |
| DE (1) | DE1145588B (de) |
| FR (1) | FR1202859A (de) |
| GB (1) | GB858589A (de) |
| LU (1) | LU35715A1 (de) |
| NL (2) | NL102461C (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4374816A (en) * | 1979-05-03 | 1983-02-22 | Stauffer Chemical Company | Process for producing hypo-phosphorous acid (H3 PO2) and non-transition metal hypophosphites |
| US4380531A (en) * | 1981-10-21 | 1983-04-19 | Occidental Chemical Corporation | Process for preparing phosphorus acid from industrial waste materials |
| US4521391A (en) * | 1984-01-13 | 1985-06-04 | Stauffer Chemical Company | Method to improve yields of sodium hypophosphite |
| US5431792A (en) * | 1993-12-20 | 1995-07-11 | Occidental Chemical Corporation | Method of making hypophosphorous acid |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2595198A (en) * | 1948-09-25 | 1952-04-29 | Monsanto Chemicals | Method of preparing phosphorous acid |
| GB665174A (en) * | 1948-09-25 | 1952-01-16 | Monsanto Chemicals | Improvements in or relating to methods of preparing phosphorous acid and salts thereof |
-
0
- BE BE564049D patent/BE564049A/xx unknown
- LU LU35715D patent/LU35715A1/xx unknown
- NL NL224099D patent/NL224099A/xx unknown
- NL NL102461D patent/NL102461C/xx active
-
1958
- 1958-01-10 GB GB976/58A patent/GB858589A/en not_active Expired
- 1958-01-10 CH CH5457958A patent/CH364494A/de unknown
- 1958-01-14 FR FR1202859D patent/FR1202859A/fr not_active Expired
- 1958-01-14 US US708747A patent/US3052519A/en not_active Expired - Lifetime
- 1958-01-16 DE DEM36425A patent/DE1145588B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1145588B (de) | 1963-03-21 |
| NL102461C (de) | |
| NL224099A (de) | |
| FR1202859A (fr) | 1960-01-14 |
| GB858589A (en) | 1961-01-11 |
| US3052519A (en) | 1962-09-04 |
| BE564049A (de) | |
| LU35715A1 (de) |
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