FR2209720A1 - - Google Patents
Info
- Publication number
- FR2209720A1 FR2209720A1 FR7342902A FR7342902A FR2209720A1 FR 2209720 A1 FR2209720 A1 FR 2209720A1 FR 7342902 A FR7342902 A FR 7342902A FR 7342902 A FR7342902 A FR 7342902A FR 2209720 A1 FR2209720 A1 FR 2209720A1
- 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/18—Electrolytes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/192—Preparation from fluorspar
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/48—Halides, with or without other cations besides aluminium
- C01F7/50—Fluorides
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO457572 | 1972-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2209720A1 true FR2209720A1 (xx) | 1974-07-05 |
| FR2209720B1 FR2209720B1 (xx) | 1976-11-19 |
Family
ID=19880432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7342902A Expired FR2209720B1 (xx) | 1972-12-12 | 1973-11-30 |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS4989699A (xx) |
| BE (1) | BE808517A (xx) |
| BR (1) | BR7309669D0 (xx) |
| CA (1) | CA1032334A (xx) |
| CH (1) | CH598362A5 (xx) |
| CS (1) | CS197229B2 (xx) |
| DE (1) | DE2361589A1 (xx) |
| EG (1) | EG11198A (xx) |
| ES (1) | ES420918A1 (xx) |
| FR (1) | FR2209720B1 (xx) |
| GB (1) | GB1449837A (xx) |
| HU (1) | HU166988B (xx) |
| IN (1) | IN140244B (xx) |
| IT (1) | IT1001660B (xx) |
| NL (1) | NL7316879A (xx) |
| YU (1) | YU36544B (xx) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3116971A (en) * | 1961-02-07 | 1964-01-07 | Reynolds Metals Co | Method for the concurrent production of alkali metal aluminate and hydrogen fluoride |
-
1973
- 1973-11-07 IT IT31032/73A patent/IT1001660B/it active
- 1973-11-13 CH CH1595073A patent/CH598362A5/xx not_active IP Right Cessation
- 1973-11-14 YU YU02941/73A patent/YU36544B/xx unknown
- 1973-11-21 HU HUEE2189A patent/HU166988B/hu unknown
- 1973-11-21 JP JP48130300A patent/JPS4989699A/ja active Pending
- 1973-11-28 ES ES420918A patent/ES420918A1/es not_active Expired
- 1973-11-30 FR FR7342902A patent/FR2209720B1/fr not_active Expired
- 1973-12-09 EG EG467/73A patent/EG11198A/xx active
- 1973-12-10 NL NL7316879A patent/NL7316879A/xx unknown
- 1973-12-10 IN IN2685/CAL/73A patent/IN140244B/en unknown
- 1973-12-10 BR BR9669/73A patent/BR7309669D0/pt unknown
- 1973-12-11 BE BE138769A patent/BE808517A/xx not_active IP Right Cessation
- 1973-12-11 GB GB5733973A patent/GB1449837A/en not_active Expired
- 1973-12-11 DE DE2361589A patent/DE2361589A1/de not_active Withdrawn
- 1973-12-11 CA CA187,892A patent/CA1032334A/en not_active Expired
- 1973-12-12 CS CS738604A patent/CS197229B2/cs unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3116971A (en) * | 1961-02-07 | 1964-01-07 | Reynolds Metals Co | Method for the concurrent production of alkali metal aluminate and hydrogen fluoride |
Also Published As
| Publication number | Publication date |
|---|---|
| AU6339773A (en) | 1975-06-12 |
| CA1032334A (en) | 1978-06-06 |
| IN140244B (xx) | 1976-10-02 |
| YU36544B (en) | 1984-02-29 |
| CH598362A5 (xx) | 1978-04-28 |
| NL7316879A (xx) | 1974-06-14 |
| JPS4989699A (xx) | 1974-08-27 |
| DE2361589A1 (de) | 1974-06-20 |
| BR7309669D0 (pt) | 1974-08-29 |
| IT1001660B (it) | 1976-04-30 |
| EG11198A (en) | 1978-06-30 |
| CS197229B2 (en) | 1980-04-30 |
| GB1449837A (en) | 1976-09-15 |
| HU166988B (xx) | 1975-07-28 |
| YU294173A (en) | 1982-02-25 |
| ES420918A1 (es) | 1976-04-01 |
| BE808517A (fr) | 1974-03-29 |
| FR2209720B1 (xx) | 1976-11-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |