NO132473C - - Google Patents
Info
- Publication number
- NO132473C NO132473C NO72145A NO14572A NO132473C NO 132473 C NO132473 C NO 132473C NO 72145 A NO72145 A NO 72145A NO 14572 A NO14572 A NO 14572A NO 132473 C NO132473 C NO 132473C
- Authority
- NO
- Norway
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G33/00—Compounds of niobium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US79726569A | 1969-02-06 | 1969-02-06 | |
| US885965A US3640679A (en) | 1969-02-06 | 1969-12-17 | Process for recovery of columbium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO132473B NO132473B (no) | 1975-08-11 |
| NO132473C true NO132473C (no) | 1975-11-19 |
Family
ID=27121847
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO00405/70*[A NO127345B (no) | 1969-02-06 | 1970-02-05 | |
| NO72145A NO132473C (no) | 1969-02-06 | 1972-01-21 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO00405/70*[A NO127345B (no) | 1969-02-06 | 1970-02-05 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3640679A (no) |
| JP (1) | JPS4931404B1 (no) |
| BE (1) | BE745616A (no) |
| DE (1) | DE2004965A1 (no) |
| FR (1) | FR2033998A5 (no) |
| NO (2) | NO127345B (no) |
| SE (1) | SE373388B (no) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE757612A (fr) * | 1970-01-05 | 1971-04-01 | Molybdenum Corp | Procedes ameliores pour la recuperation de columbium |
| US4446116A (en) * | 1981-04-02 | 1984-05-01 | Hermann C. Starck Bertin | Process for recovering niobium and/or tantalum compounds from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals |
| US4451438A (en) * | 1982-03-26 | 1984-05-29 | Herman C. Starck Berlin | Process for recovering niobium and/or tantalum metal compounds from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals |
| DE3918691A1 (de) * | 1989-06-08 | 1990-12-13 | Starck Hermann C Fa | Nioboxidpulver (nb(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)5(pfeil abwaerts)) sowie verfahren zu dessen herstellung |
| CA2930762C (en) * | 2013-11-27 | 2020-10-27 | Outotec (Finland) Oy | Roasting of sulfur-poor metal oxide concentrates |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2481584A (en) * | 1946-02-21 | 1949-09-13 | Union Carbide & Carbon Corp | Separation of columbium and tantalum |
| US2819945A (en) * | 1955-02-15 | 1958-01-14 | Mallinckrodt Chemical Works | Method of separating values of columbium and/or tantalum from a concentrate also containing an element of group iv b |
| US3107976A (en) * | 1957-11-29 | 1963-10-22 | Ernest L Koerner | Niobium-tantalum separation |
| US2953453A (en) * | 1958-06-20 | 1960-09-20 | Nat Distillers Chem Corp | Recovery of columbium values |
| US3058825A (en) * | 1958-09-22 | 1962-10-16 | Paul B Cardon | Process for recovering columbium and tantalum from ores and ore concentrates containing same |
| US3003867A (en) * | 1959-05-22 | 1961-10-10 | Gulf Research Development Co | Process for recovery of niobium |
-
1969
- 1969-12-17 US US885965A patent/US3640679A/en not_active Expired - Lifetime
-
1970
- 1970-02-04 DE DE19702004965 patent/DE2004965A1/de active Pending
- 1970-02-04 SE SE7001431A patent/SE373388B/xx unknown
- 1970-02-05 NO NO00405/70*[A patent/NO127345B/no unknown
- 1970-02-05 FR FR7004150A patent/FR2033998A5/fr not_active Expired
- 1970-02-06 JP JP45010609A patent/JPS4931404B1/ja active Pending
- 1970-02-06 BE BE745616D patent/BE745616A/xx unknown
-
1972
- 1972-01-21 NO NO72145A patent/NO132473C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2004965A1 (de) | 1970-09-03 |
| SE373388B (sv) | 1975-02-03 |
| US3640679A (en) | 1972-02-08 |
| NO132473B (no) | 1975-08-11 |
| BE745616A (fr) | 1970-08-06 |
| FR2033998A5 (en) | 1970-12-04 |
| NO127345B (no) | 1973-06-12 |
| JPS4931404B1 (no) | 1974-08-21 |