FR2187696A1 - - Google Patents
Info
- Publication number
- FR2187696A1 FR2187696A1 FR7320448A FR7320448A FR2187696A1 FR 2187696 A1 FR2187696 A1 FR 2187696A1 FR 7320448 A FR7320448 A FR 7320448A FR 7320448 A FR7320448 A FR 7320448A FR 2187696 A1 FR2187696 A1 FR 2187696A1
- 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
- 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
- C01F7/54—Double compounds containing both aluminium and alkali metals or alkaline-earth metals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722227366 DE2227366C3 (de) | 1972-06-06 | 1972-06-06 | Verfahren zur Herstellung von leicht filtrierbarem Kryolith mit hohem Schüttgewicht |
| DE19722244374 DE2244374C3 (de) | 1972-09-09 | 1972-09-09 | Kontinuierliches Verfahren zur Herstellung von kristallinem Kryolith mit hohem Schüttgewicht |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2187696A1 true FR2187696A1 (enExample) | 1974-01-18 |
| FR2187696B1 FR2187696B1 (enExample) | 1976-11-12 |
Family
ID=25763376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7320448A Expired FR2187696B1 (enExample) | 1972-06-06 | 1973-06-05 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3897543A (enExample) |
| JP (1) | JPS4969579A (enExample) |
| AT (1) | AT332854B (enExample) |
| FR (1) | FR2187696B1 (enExample) |
| GB (1) | GB1430023A (enExample) |
| IT (1) | IT998132B (enExample) |
| NL (1) | NL7307877A (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2831095A1 (de) * | 1978-07-14 | 1980-01-24 | Lentia Gmbh | Verfahren zur herstellung von kristallinem kryolith |
| RU2140396C1 (ru) * | 1997-09-29 | 1999-10-27 | ООО "Сибком" | Способ получения криолита |
| RU2135413C1 (ru) * | 1998-04-23 | 1999-08-27 | Карнаухов Евгений Николаевич | Способ получения гранулированной шихты для введения в электролит алюминиевых электролизеров |
| RU2147557C1 (ru) * | 1998-07-14 | 2000-04-20 | Товарищество с ограниченной ответственностью "Спектрум" | Способ получения литийсодержащих фтористых солей для электролитического производства алюминия |
| RU2184704C2 (ru) * | 1999-12-06 | 2002-07-10 | Закрытое акционерное общество "Экостар-Наутех" | Способ получения литийсодержащих фтористых солей для электролитического производства алюминия |
| RU2193526C2 (ru) * | 2000-07-11 | 2002-11-27 | Открытое акционерное общество "Сибирско-Уральская Алюминевая компания" | Способ получения криолита |
| RU2274606C2 (ru) * | 2004-05-25 | 2006-04-20 | Общество с ограниченной ответственностью "Инженерно-технологический центр" | Способ очистки регенерационного криолита от сульфата натрия |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1475157A (en) * | 1922-10-16 | 1923-11-20 | Grasselli Chemical Co | Process of making artificial cryolite |
| DE718789C (de) * | 1939-06-02 | 1942-03-24 | J D Riedel E De Haeen Ag | Verfahren zur Herstellung grobkoerniger Natrium-Aluminium-Doppelfluoride |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1475156A (en) * | 1922-07-01 | 1923-11-20 | Grasselli Chemical Co | Process of making artificial cryolite |
| US1475158A (en) * | 1922-10-16 | 1923-11-20 | Grasselli Chemical Co | Process of making artificial cryolite |
| US2492650A (en) * | 1944-09-08 | 1949-12-27 | Aluminum Co Of America | Double fluoride of sodium and aluminum and production thereof |
| GB904333A (en) * | 1959-01-08 | 1962-08-29 | I C P M S P A Ind Chimiche Por | Process for the preparation of artificial cryolite and apparatus for performing saidprocess |
-
1973
- 1973-05-31 US US365766A patent/US3897543A/en not_active Expired - Lifetime
- 1973-06-05 FR FR7320448A patent/FR2187696B1/fr not_active Expired
- 1973-06-06 NL NL7307877A patent/NL7307877A/xx not_active Application Discontinuation
- 1973-06-06 AT AT498173A patent/AT332854B/de not_active IP Right Cessation
- 1973-06-06 GB GB2710073A patent/GB1430023A/en not_active Expired
- 1973-06-06 JP JP48063710A patent/JPS4969579A/ja active Pending
- 1973-06-12 IT IT25146/73A patent/IT998132B/it active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1475157A (en) * | 1922-10-16 | 1923-11-20 | Grasselli Chemical Co | Process of making artificial cryolite |
| DE718789C (de) * | 1939-06-02 | 1942-03-24 | J D Riedel E De Haeen Ag | Verfahren zur Herstellung grobkoerniger Natrium-Aluminium-Doppelfluoride |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1430023A (en) | 1976-03-31 |
| AT332854B (de) | 1976-10-25 |
| JPS4969579A (enExample) | 1974-07-05 |
| ATA498173A (de) | 1976-02-15 |
| FR2187696B1 (enExample) | 1976-11-12 |
| US3897543A (en) | 1975-07-29 |
| NL7307877A (enExample) | 1973-12-10 |
| IT998132B (it) | 1976-01-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |