LU78341A1 - - Google Patents
Info
- Publication number
- LU78341A1 LU78341A1 LU7778341A LU78341A LU78341A1 LU 78341 A1 LU78341 A1 LU 78341A1 LU 7778341 A LU7778341 A LU 7778341A LU 78341 A LU78341 A LU 78341A LU 78341 A1 LU78341 A1 LU 78341A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/24—Obtaining niobium or tantalum
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU7778341A LU78341A1 (pt) | 1977-10-19 | 1977-10-19 | |
| US05/951,113 US4211754A (en) | 1977-10-19 | 1978-10-13 | Process for the production of a tantalum and niobium bearing concentrate from a tantalum and niobium bearing ferro-alloy |
| DE19782844914 DE2844914A1 (de) | 1977-10-19 | 1978-10-14 | Verfahren zur herstellung eines tantal und niob enthaltenden konzentrats aus einer diese elemente enthaltenden ferrolegierung |
| BE2057357A BE871333A (fr) | 1977-10-19 | 1978-10-18 | Werkwijze voor de produktie van een tantaal- en niobium-houdend concentraat uit een tantaal- en niobiumhoudende ferrolegering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU7778341A LU78341A1 (pt) | 1977-10-19 | 1977-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU78341A1 true LU78341A1 (pt) | 1979-02-02 |
Family
ID=19728734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU7778341A LU78341A1 (pt) | 1977-10-19 | 1977-10-19 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4211754A (pt) |
| BE (1) | BE871333A (pt) |
| DE (1) | DE2844914A1 (pt) |
| LU (1) | LU78341A1 (pt) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR8703766A (pt) * | 1987-07-20 | 1989-01-31 | Mamore Mineracao E Metalurgica | Processo para a abertura de minerios |
| WO1993000297A1 (en) * | 1991-06-27 | 1993-01-07 | Teledyne Industries, Inc. | Process for the preparation of metal hydrides |
| US5234674A (en) * | 1991-06-27 | 1993-08-10 | Teledyne Industries, Inc. | Process for the preparation of metal carbides |
| US5211921A (en) * | 1991-06-27 | 1993-05-18 | Teledyne Industries, Inc. | Process of making niobium oxide |
| US5322548A (en) * | 1991-06-27 | 1994-06-21 | Teledyne Industries, Inc. | Recovery of niobium metal |
| EP0591390A4 (en) * | 1991-06-27 | 1994-08-24 | Teledyne Ind | Method for the preparation of niobium nitride |
| US5188810A (en) * | 1991-06-27 | 1993-02-23 | Teledyne Industries, Inc. | Process for making niobium oxide |
| DE4339226A1 (de) * | 1993-11-15 | 1995-05-18 | Mannesmann Ag | Verfahren und Vorrichtung zur Wertstoffgewinnung |
| DE4414571C1 (de) * | 1994-04-27 | 1996-01-18 | Starck H C Gmbh Co Kg | Verfahren zur Herstellung von Tantal-Niob-Konzentraten |
| DE19519722B4 (de) * | 1995-05-30 | 2004-04-29 | H.C. Starck Gmbh | Verfahren zur Herstellung von Nioboxid |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2140801A (en) * | 1937-03-22 | 1938-12-20 | Metallurg De Hoboken Soc Gen | Treatment of materials containing tantalum and/or niobium |
| FR834105A (fr) * | 1937-03-22 | 1938-11-14 | Metallurg De Hoboken Soc Gen | Perfectionnements au traitement de matières contenant du tantale ou niobium |
| FR834602A (fr) * | 1937-04-09 | 1938-11-25 | Metallurg De Hoboken Soc Gen | Procédé de traitement de substances contenant du tantale et niobium |
| US2972530A (en) * | 1957-08-23 | 1961-02-21 | Kennecott Copper Corp | Smelting process for recovering columbium and/or tantalum from low grade ore materials containing same |
| US3057714A (en) * | 1959-08-20 | 1962-10-09 | Kennecott Copper Corp | Pyrometallurgical process for the separation of columbium and tantalum |
| US3091524A (en) * | 1959-10-23 | 1963-05-28 | Strategic Materials Corp | Metallurgical process |
| US3447894A (en) * | 1966-12-05 | 1969-06-03 | Kawecki Chem Co | Method of beneficiating tantalum- and niobium-containing tin slags |
| US3585024A (en) * | 1968-12-05 | 1971-06-15 | Kawecki Berylco Ind | Upgrading the tantalum and columbium contents of tin slags |
| US3721727A (en) * | 1971-09-09 | 1973-03-20 | Kawecki Berylco Ind | Electric furnace method of beneficiating tantalum-and noibium-containing tin slags and the like |
-
1977
- 1977-10-19 LU LU7778341A patent/LU78341A1/xx unknown
-
1978
- 1978-10-13 US US05/951,113 patent/US4211754A/en not_active Expired - Lifetime
- 1978-10-14 DE DE19782844914 patent/DE2844914A1/de active Granted
- 1978-10-18 BE BE2057357A patent/BE871333A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE871333A (fr) | 1979-04-18 |
| DE2844914C2 (pt) | 1988-06-09 |
| US4211754A (en) | 1980-07-08 |
| DE2844914A1 (de) | 1979-04-26 |