NL7305245A - - Google Patents
Info
- Publication number
- NL7305245A NL7305245A NL7305245A NL7305245A NL7305245A NL 7305245 A NL7305245 A NL 7305245A NL 7305245 A NL7305245 A NL 7305245A NL 7305245 A NL7305245 A NL 7305245A NL 7305245 A NL7305245 A NL 7305245A
- 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
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5800872A JPS5333960B2 (https=) | 1972-06-10 | 1972-06-10 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7305245A true NL7305245A (https=) | 1973-12-12 |
| NL161421B NL161421B (nl) | 1979-09-17 |
| NL161421C NL161421C (nl) | 1980-02-15 |
Family
ID=13071930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7305245.A NL161421C (nl) | 1972-06-10 | 1973-04-13 | Werkwijze voor het zuiveren van een ruwe waterige oplossing van fosforzuur. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3920797A (https=) |
| JP (1) | JPS5333960B2 (https=) |
| BE (1) | BE798598A (https=) |
| BR (1) | BR7302857D0 (https=) |
| DE (1) | DE2321882C3 (https=) |
| FR (1) | FR2187690B1 (https=) |
| GB (1) | GB1379351A (https=) |
| IL (1) | IL42125A (https=) |
| IT (1) | IT988237B (https=) |
| NL (1) | NL161421C (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4203956A (en) * | 1976-02-10 | 1980-05-20 | Hoechst Aktiengesellschaft | Process and apparatus for recovering alcoholic phosphoric acid solutions from acid phosphates |
| DE2605106C2 (de) * | 1976-02-10 | 1984-06-14 | Hoechst Ag, 6230 Frankfurt | Verfahren und Vorrichtung zur Herstellung von alkoholischen Phosphorsäurelösungen aus sauren Phosphaten |
| JPS5355495A (en) * | 1976-10-29 | 1978-05-19 | Toyo Soda Mfg Co Ltd | Purifying method for wet process phosphoric acid |
| US4197280A (en) * | 1978-10-02 | 1980-04-08 | Stauffer Chemical Company | Wet process phosphoric acid purification |
| US4311681A (en) * | 1980-05-19 | 1982-01-19 | Fmc Corporation | Method of regenerating phosphoric acid extraction solvent |
| DE102016212242B4 (de) | 2016-07-05 | 2019-02-07 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2955918A (en) * | 1956-08-24 | 1960-10-11 | Monsanto Chemicals | Purification of phosphoric acid |
| NL301498A (https=) * | 1962-12-06 | |||
| US3338674A (en) * | 1963-05-09 | 1967-08-29 | Avraham M Baniel | Process for preparation of substantially pure phosphoric acid |
| GB1060201A (en) * | 1965-02-01 | 1967-03-01 | Imp Smelting Corp Ltd | Improvements in or relating to the separation of zinc from cadmium |
| NL6904478A (https=) * | 1968-03-28 | 1969-09-30 | ||
| US3595613A (en) * | 1968-07-01 | 1971-07-27 | Allied Chem | Production of phosphoric acid |
| US3723606A (en) * | 1970-12-21 | 1973-03-27 | Allied Chem | Production of phosphoric acid |
-
1972
- 1972-06-10 JP JP5800872A patent/JPS5333960B2/ja not_active Expired
-
1973
- 1973-03-21 US US343430A patent/US3920797A/en not_active Expired - Lifetime
- 1973-04-13 NL NL7305245.A patent/NL161421C/xx not_active IP Right Cessation
- 1973-04-18 BR BR2857/73A patent/BR7302857D0/pt unknown
- 1973-04-24 BE BE130314A patent/BE798598A/xx not_active IP Right Cessation
- 1973-04-25 FR FR7315000A patent/FR2187690B1/fr not_active Expired
- 1973-04-27 IL IL42125A patent/IL42125A/en unknown
- 1973-04-27 GB GB2021873A patent/GB1379351A/en not_active Expired
- 1973-04-30 DE DE732321882A patent/DE2321882C3/de not_active Expired
- 1973-06-11 IT IT50635/73A patent/IT988237B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT988237B (it) | 1975-04-10 |
| GB1379351A (en) | 1975-01-02 |
| FR2187690A1 (https=) | 1974-01-18 |
| JPS4917399A (https=) | 1974-02-15 |
| BR7302857D0 (pt) | 1974-02-19 |
| US3920797A (en) | 1975-11-18 |
| IL42125A (en) | 1977-03-31 |
| NL161421C (nl) | 1980-02-15 |
| NL161421B (nl) | 1979-09-17 |
| DE2321882B2 (de) | 1978-06-29 |
| FR2187690B1 (https=) | 1976-09-10 |
| DE2321882A1 (de) | 1973-12-20 |
| IL42125A0 (en) | 1973-06-29 |
| DE2321882C3 (de) | 1979-03-01 |
| JPS5333960B2 (https=) | 1978-09-18 |
| BE798598A (fr) | 1973-10-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee | ||
| NL80 | Information provided on patent owner name for an already discontinued patent |
Owner name: TOYO SODA MAN |