NL6817153A - - Google Patents
Info
- Publication number
- NL6817153A NL6817153A NL6817153A NL6817153A NL6817153A NL 6817153 A NL6817153 A NL 6817153A NL 6817153 A NL6817153 A NL 6817153A NL 6817153 A NL6817153 A NL 6817153A NL 6817153 A NL6817153 A NL 6817153A
- Authority
- NL
- Netherlands
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
- C01B25/26—Phosphates
- C01B25/28—Ammonium phosphates
-
- 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
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/40—Polyphosphates
- C01B25/405—Polyphosphates of ammonium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR130359 | 1967-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6817153A true NL6817153A (es) | 1969-06-03 |
| NL157876B NL157876B (nl) | 1978-09-15 |
Family
ID=8642517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6817153.A NL157876B (nl) | 1967-11-30 | 1968-11-29 | Werkwijze voor het continu extraheren in de vorm van een geconcentreerde, zuivere oplossing van alkali-metaalfosfaat, van meer dan 90% van het fosforzuur dat aanwezig is in de onzuivere oplossing, gevormd bij het met zuren ontleden van natuurlijke fosfaathoudende gesteenten. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3767769A (es) |
| JP (1) | JPS4824160B1 (es) |
| BE (1) | BE724556A (es) |
| CS (1) | CS150619B2 (es) |
| FR (1) | FR1553095A (es) |
| GB (1) | GB1210726A (es) |
| HU (1) | HU163021B (es) |
| IL (1) | IL31189A (es) |
| NL (1) | NL157876B (es) |
| YU (1) | YU32796B (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4024225A (en) * | 1973-11-02 | 1977-05-17 | United States Steel Corporation | Method of making high purity alkali metal phosphates from wet-process phosphoric acid |
| US4118462A (en) * | 1974-02-01 | 1978-10-03 | Rhone-Poulenc Industries | Process for the preparation of purified phosphoric solutions from phosphoric acid |
| US4311681A (en) * | 1980-05-19 | 1982-01-19 | Fmc Corporation | Method of regenerating phosphoric acid extraction solvent |
| FR2499539B1 (fr) * | 1981-02-11 | 1986-02-14 | Rhone Poulenc Chim Base | Procede de traitement d'un acide phosphorique de voie humide |
| US4751066A (en) * | 1986-05-08 | 1988-06-14 | Fmc Corporation | Process for preparing alkali metal phosphate |
| US4780295A (en) * | 1987-07-06 | 1988-10-25 | Fmc Corporation | Process for purifying phosphoric acid |
-
1967
- 1967-11-30 FR FR130359A patent/FR1553095A/fr not_active Expired
-
1968
- 1968-11-27 YU YU2792/68A patent/YU32796B/xx unknown
- 1968-11-28 BE BE724556D patent/BE724556A/fr not_active IP Right Cessation
- 1968-11-28 GB GB56486/68A patent/GB1210726A/en not_active Expired
- 1968-11-28 HU HUPE676A patent/HU163021B/hu unknown
- 1968-11-29 IL IL31189A patent/IL31189A/xx unknown
- 1968-11-29 CS CS8170A patent/CS150619B2/cs unknown
- 1968-11-29 JP JP43087055A patent/JPS4824160B1/ja active Pending
- 1968-11-29 NL NL6817153.A patent/NL157876B/xx not_active IP Right Cessation
-
1971
- 1971-07-07 US US00160508A patent/US3767769A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL157876B (nl) | 1978-09-15 |
| YU32796B (en) | 1975-08-31 |
| BE724556A (es) | 1969-05-28 |
| CS150619B2 (es) | 1973-09-04 |
| JPS4824160B1 (es) | 1973-07-19 |
| YU279268A (en) | 1975-02-28 |
| US3767769A (en) | 1973-10-23 |
| IL31189A (en) | 1972-12-29 |
| FR1553095A (es) | 1969-01-10 |
| HU163021B (es) | 1973-05-28 |
| GB1210726A (en) | 1970-10-28 |
| IL31189A0 (en) | 1969-01-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NL80 | Information provided on patent owner name for an already discontinued patent |
Owner name: PECHINEY |
|
| V4 | Discontinued because of reaching the maximum lifetime of a patent |