FR2187696B1 - - Google Patents
Info
- Publication number
- FR2187696B1 FR2187696B1 FR7320448A FR7320448A FR2187696B1 FR 2187696 B1 FR2187696 B1 FR 2187696B1 FR 7320448 A FR7320448 A FR 7320448A FR 7320448 A FR7320448 A FR 7320448A FR 2187696 B1 FR2187696 B1 FR 2187696B1
- 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
- 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 FR2187696A1 (US07923587-20110412-C00022.png) | 1974-01-18 |
| FR2187696B1 true FR2187696B1 (US07923587-20110412-C00022.png) | 1976-11-12 |
Family
ID=25763376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7320448A Expired FR2187696B1 (US07923587-20110412-C00022.png) | 1972-06-06 | 1973-06-05 |
Country Status (7)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2831095A1 (de) * | 1978-07-14 | 1980-01-24 | Lentia Gmbh | Verfahren zur herstellung von kristallinem kryolith |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1475156A (en) * | 1922-07-01 | 1923-11-20 | Grasselli Chemical Co | Process of making artificial cryolite |
| US1475157A (en) * | 1922-10-16 | 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 |
| DE718789C (de) * | 1939-06-02 | 1942-03-24 | J D Riedel E De Haeen Ag | Verfahren zur Herstellung grobkoerniger Natrium-Aluminium-Doppelfluoride |
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| ATA498173A (de) | 1976-02-15 |
| FR2187696A1 (US07923587-20110412-C00022.png) | 1974-01-18 |
| US3897543A (en) | 1975-07-29 |
| AT332854B (de) | 1976-10-25 |
| GB1430023A (en) | 1976-03-31 |
| NL7307877A (US07923587-20110412-C00022.png) | 1973-12-10 |
| IT998132B (it) | 1976-01-20 |
| JPS4969579A (US07923587-20110412-C00022.png) | 1974-07-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |