SE364695B - - Google Patents
Info
- Publication number
- SE364695B SE364695B SE06697/72A SE669772A SE364695B SE 364695 B SE364695 B SE 364695B SE 06697/72 A SE06697/72 A SE 06697/72A SE 669772 A SE669772 A SE 669772A SE 364695 B SE364695 B SE 364695B
- Authority
- SE
- Sweden
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2125587A DE2125587C3 (de) | 1971-05-24 | 1971-05-24 | Verfahren zur Herstellung von Hypophosphiten |
Publications (1)
Publication Number | Publication Date |
---|---|
SE364695B true SE364695B (de) | 1974-03-04 |
Family
ID=5808709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE06697/72A SE364695B (de) | 1971-05-24 | 1972-05-23 |
Country Status (10)
Country | Link |
---|---|
US (1) | US3888971A (de) |
BE (1) | BE783762A (de) |
CA (1) | CA968925A (de) |
CH (1) | CH581074A5 (de) |
DE (1) | DE2125587C3 (de) |
FR (1) | FR2139000B1 (de) |
GB (1) | GB1371566A (de) |
IT (1) | IT957992B (de) |
NL (1) | NL7206845A (de) |
SE (1) | SE364695B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2549084C3 (de) * | 1975-11-03 | 1981-04-30 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Phosphin |
DE2632316C3 (de) * | 1976-07-17 | 1981-12-24 | Hoechst Ag, 6000 Frankfurt | Verfahren zur kontinuierlichen Herstellung von Phosphin |
DE2840147A1 (de) * | 1978-09-15 | 1980-03-27 | Hoechst Ag | Verfahren zur kontinuierlichen herstellung von phosphan |
DE3207716A1 (de) * | 1982-03-04 | 1983-09-08 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von alkalihypophosphit-loesungen |
JPH07110764B2 (ja) * | 1990-05-30 | 1995-11-29 | 燐化学工業株式会社 | アルカリ金属次亜リン酸塩の製造方法 |
JPH088301B2 (ja) * | 1990-06-07 | 1996-01-29 | 株式会社東芝 | 半導体装置の製造方法 |
FR2739372B1 (fr) * | 1995-09-29 | 1997-10-31 | Cesa Sa | Procede de preparation d'hypophosphite de nickel |
US9976010B2 (en) | 2012-04-06 | 2018-05-22 | Rhodia Operations | Process for the production of hypophosphite salts |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH322980A (fr) * | 1955-07-30 | 1957-07-15 | Fonte Electr S A | Procédé pour la préparation d'hypophosphites par traitement de phosphore en milieu alcalin. |
CH322981A (fr) * | 1956-09-10 | 1957-07-15 | Fonte Electr S A | Procédé pour la préparation d'hypophosphites. |
CH360378A (fr) * | 1957-06-18 | 1962-02-28 | Fonte Electr S A | Procédé de purification d'une solution d'hypophosphite alcalin contenant comme impureté un phosphite alcalin |
US2977192A (en) * | 1958-08-26 | 1961-03-28 | Fmc Corp | Process for the production of phosphine and sodium hypophosphite |
US3378342A (en) * | 1964-12-21 | 1968-04-16 | Monsanto Co | Process for preparing phosphites |
-
1971
- 1971-05-24 DE DE2125587A patent/DE2125587C3/de not_active Expired
-
1972
- 1972-04-25 GB GB1917872A patent/GB1371566A/en not_active Expired
- 1972-05-16 CA CA142,245A patent/CA968925A/en not_active Expired
- 1972-05-19 NL NL7206845A patent/NL7206845A/xx not_active Application Discontinuation
- 1972-05-19 BE BE783762A patent/BE783762A/xx not_active IP Right Cessation
- 1972-05-22 US US255442A patent/US3888971A/en not_active Expired - Lifetime
- 1972-05-22 IT IT50401/72A patent/IT957992B/it active
- 1972-05-23 SE SE06697/72A patent/SE364695B/xx unknown
- 1972-05-24 FR FR7218552A patent/FR2139000B1/fr not_active Expired
- 1972-05-24 CH CH764272A patent/CH581074A5/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7206845A (de) | 1972-11-28 |
DE2125587B2 (de) | 1974-01-17 |
BE783762A (fr) | 1972-11-20 |
DE2125587A1 (de) | 1972-12-07 |
GB1371566A (en) | 1974-10-23 |
US3888971A (en) | 1975-06-10 |
CA968925A (en) | 1975-06-10 |
DE2125587C3 (de) | 1974-08-15 |
FR2139000B1 (de) | 1980-10-17 |
FR2139000A1 (de) | 1973-01-05 |
CH581074A5 (de) | 1976-10-29 |
IT957992B (it) | 1973-10-20 |