FR2160279B1 - - Google Patents
Info
- Publication number
- FR2160279B1 FR2160279B1 FR7141158A FR7141158A FR2160279B1 FR 2160279 B1 FR2160279 B1 FR 2160279B1 FR 7141158 A FR7141158 A FR 7141158A FR 7141158 A FR7141158 A FR 7141158A FR 2160279 B1 FR2160279 B1 FR 2160279B1
- 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.)
- Expired
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
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
- C01B25/225—Dihydrate process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7141158A FR2160279B1 (US20030220297A1-20031127-C00009.png) | 1971-11-17 | 1971-11-17 | |
| IT6843372A IT958815B (it) | 1971-11-17 | 1972-05-06 | Perfezionamenti ai procedimenti per la fabbricazione di acido fosforico |
| GB2320972A GB1367004A (en) | 1971-11-17 | 1972-05-17 | Process for the production of phosphoric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7141158A FR2160279B1 (US20030220297A1-20031127-C00009.png) | 1971-11-17 | 1971-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2160279A1 FR2160279A1 (US20030220297A1-20031127-C00009.png) | 1973-06-29 |
| FR2160279B1 true FR2160279B1 (US20030220297A1-20031127-C00009.png) | 1977-06-03 |
Family
ID=9085915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7141158A Expired FR2160279B1 (US20030220297A1-20031127-C00009.png) | 1971-11-17 | 1971-11-17 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR2160279B1 (US20030220297A1-20031127-C00009.png) |
| GB (1) | GB1367004A (US20030220297A1-20031127-C00009.png) |
| IT (1) | IT958815B (US20030220297A1-20031127-C00009.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4250155A (en) | 1978-06-09 | 1981-02-10 | Gardinier, Inc. | Method of purifying phosphoric acid after solvent extraction |
-
1971
- 1971-11-17 FR FR7141158A patent/FR2160279B1/fr not_active Expired
-
1972
- 1972-05-06 IT IT6843372A patent/IT958815B/it active
- 1972-05-17 GB GB2320972A patent/GB1367004A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT958815B (it) | 1973-10-30 |
| FR2160279A1 (US20030220297A1-20031127-C00009.png) | 1973-06-29 |
| GB1367004A (en) | 1974-09-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| AM | Act modifying the rights related to an application or a patent | ||
| ST | Notification of lapse |