FR2259787A1 - - Google Patents
Info
- Publication number
- FR2259787A1 FR2259787A1 FR7403399A FR7403399A FR2259787A1 FR 2259787 A1 FR2259787 A1 FR 2259787A1 FR 7403399 A FR7403399 A FR 7403399A FR 7403399 A FR7403399 A FR 7403399A FR 2259787 A1 FR2259787 A1 FR 2259787A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- C01B25/46—Preparation involving solvent-solvent extraction
-
- 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
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7403399A FR2259787B1 (US07642317-20100105-C00010.png) | 1974-02-01 | 1974-02-01 | |
| DE19752503843 DE2503843B2 (de) | 1974-02-01 | 1975-01-30 | Verfahren zum Reinigen von Phosphorsäure aus dem Rohphosphat-Aufschluß |
| DD18394175A DD116446A5 (US07642317-20100105-C00010.png) | 1974-02-01 | 1975-01-31 | |
| BE152973A BE825085A (fr) | 1974-02-01 | 1975-01-31 | Procede de preparation de solutions phosphoriques purifiees a partir d'acide phosphorique de voie humide |
| ES434309A ES434309A1 (es) | 1974-02-01 | 1975-01-31 | Procedimiento para preparar soluciones fosforicas muy pu- ras. |
| AU77774/75A AU488885B2 (en) | 1974-02-01 | 1975-01-31 | Purification of phosphoric acid |
| IT4794875A IT1029423B (it) | 1974-02-01 | 1975-01-31 | Procedimento di preparazione di soluzioni fosforiche purificate a partire dall acido fosforico di via umida |
| GB433675A GB1472970A (en) | 1974-02-01 | 1975-01-31 | Purfified phosphoric acid and its production |
| CA219,158A CA1043535A (en) | 1974-02-01 | 1975-01-31 | Process for the preparation of purified phosphoric solutions from phosphoric acid in a wet way |
| NL7501173A NL7501173A (nl) | 1974-02-01 | 1975-01-31 | Werkwijze voor het bereiden van zeer zuiver rzuuroplossingen uitgaande van onzuiver rzuur langs de natte weg. |
| JP1326775A JPS50123595A (US07642317-20100105-C00010.png) | 1974-02-01 | 1975-01-31 | |
| IE19775A IE40576B1 (en) | 1974-02-01 | 1975-01-31 | Purified phosphoric acid and its production |
| US05/741,626 US4118462A (en) | 1974-02-01 | 1976-11-15 | Process for the preparation of purified phosphoric solutions from phosphoric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7403399A FR2259787B1 (US07642317-20100105-C00010.png) | 1974-02-01 | 1974-02-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2259787A1 true FR2259787A1 (US07642317-20100105-C00010.png) | 1975-08-29 |
| FR2259787B1 FR2259787B1 (US07642317-20100105-C00010.png) | 1977-09-16 |
Family
ID=9134358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7403399A Expired FR2259787B1 (US07642317-20100105-C00010.png) | 1974-02-01 | 1974-02-01 |
Country Status (11)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2374262A1 (fr) * | 1976-12-17 | 1978-07-13 | Hoechst Ag | Procede de decontamination de l'acide phosphorique prepare par voie humide |
| EP0149147A2 (de) * | 1983-12-29 | 1985-07-24 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von fluorarmen Alkaliphosphatlösungen |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4197280A (en) * | 1978-10-02 | 1980-04-08 | Stauffer Chemical Company | Wet process phosphoric acid purification |
| IL69426A (en) * | 1983-08-03 | 1986-10-31 | Negev Phosphates Ltd | Process for the manufacture of purified phosphoric acid |
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1974
- 1974-02-01 FR FR7403399A patent/FR2259787B1/fr not_active Expired
-
1975
- 1975-01-30 DE DE19752503843 patent/DE2503843B2/de not_active Ceased
- 1975-01-31 GB GB433675A patent/GB1472970A/en not_active Expired
- 1975-01-31 CA CA219,158A patent/CA1043535A/en not_active Expired
- 1975-01-31 DD DD18394175A patent/DD116446A5/xx unknown
- 1975-01-31 ES ES434309A patent/ES434309A1/es not_active Expired
- 1975-01-31 NL NL7501173A patent/NL7501173A/xx not_active Application Discontinuation
- 1975-01-31 IE IE19775A patent/IE40576B1/xx unknown
- 1975-01-31 JP JP1326775A patent/JPS50123595A/ja active Pending
- 1975-01-31 IT IT4794875A patent/IT1029423B/it active
- 1975-01-31 BE BE152973A patent/BE825085A/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2374262A1 (fr) * | 1976-12-17 | 1978-07-13 | Hoechst Ag | Procede de decontamination de l'acide phosphorique prepare par voie humide |
| EP0149147A2 (de) * | 1983-12-29 | 1985-07-24 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von fluorarmen Alkaliphosphatlösungen |
| EP0149147A3 (en) * | 1983-12-29 | 1987-08-19 | Hoechst Aktiengesellschaft | Process for the preparation of alkali metal phosphates solutions poor in fluorine |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1029423B (it) | 1979-03-10 |
| NL7501173A (nl) | 1975-08-05 |
| ES434309A1 (es) | 1976-11-16 |
| JPS50123595A (US07642317-20100105-C00010.png) | 1975-09-29 |
| DE2503843B2 (de) | 1979-08-02 |
| IE40576L (en) | 1975-08-01 |
| CA1043535A (en) | 1978-12-05 |
| IE40576B1 (en) | 1979-07-04 |
| BE825085A (fr) | 1975-07-31 |
| GB1472970A (en) | 1977-05-11 |
| DE2503843A1 (de) | 1975-08-07 |
| DD116446A5 (US07642317-20100105-C00010.png) | 1975-11-20 |
| AU7777475A (en) | 1976-08-05 |
| FR2259787B1 (US07642317-20100105-C00010.png) | 1977-09-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |