BE704072A - - Google Patents
Info
- Publication number
- BE704072A BE704072A BE704072DA BE704072A BE 704072 A BE704072 A BE 704072A BE 704072D A BE704072D A BE 704072DA BE 704072 A BE704072 A BE 704072A
- Authority
- BE
- Belgium
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7138966 | 1966-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE704072A true BE704072A (de) | 1968-02-01 |
Family
ID=13459093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE704072D BE704072A (de) | 1966-10-31 | 1967-09-20 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3529932A (de) |
| BE (1) | BE704072A (de) |
| GB (1) | GB1185206A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3956465A (en) * | 1970-06-12 | 1976-05-11 | Azote Et Produits Chimiques S.A. | Solvent purification of wet process phosphoric acid |
| FR2523466B1 (fr) * | 1982-03-19 | 1986-09-12 | Rhone Poulenc Sa | Procede de recuperation et de purification d'un acide sulfurique residuaire contenant des sels de titane |
| DE3705069A1 (de) * | 1987-02-18 | 1988-09-01 | Hoechst Ag | Verfahren zur herstellung titanfreier phosphorsaeure |
| FR2629812B1 (fr) * | 1988-04-12 | 1991-01-25 | Cerphos | Procede d'elimination des metaux lourds, et notamment du cadmium, contenus dans l'acide phosphorique |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA685010A (en) * | 1964-04-21 | O. Archambault Jacques | Purification of phosphoric acid | |
| US1929441A (en) * | 1930-08-26 | 1933-10-10 | American Agricultural Chem Co | Process for obtaining orthophosphoric acid and/or conversion product thereof |
| US3131993A (en) * | 1956-02-24 | 1964-05-05 | Union Carbide Corp | Solvent extraction process for the recovery of vanadium from solutions |
| GB1053929A (de) * | 1962-12-06 |
-
1967
- 1967-09-07 US US665956A patent/US3529932A/en not_active Expired - Lifetime
- 1967-09-20 BE BE704072D patent/BE704072A/xx not_active IP Right Cessation
- 1967-10-06 GB GB45764/67A patent/GB1185206A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3529932A (en) | 1970-09-22 |
| GB1185206A (en) | 1970-03-25 |
| DE1667746B1 (de) | 1971-12-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: TOYO SODA MFG CO. LTD Effective date: 19870920 |