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
Application number
NO72145A
Other languages
Norwegian (no)
Other versions
NO132473B (fr
Inventor
Albert Edward Erhard
Jack Benton Allison
Original Assignee
Molybdenum Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Molybdenum Corp filed Critical Molybdenum Corp
Publication of NO132473B publication Critical patent/NO132473B/no
Publication of NO132473C publication Critical patent/NO132473C/no

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)
NO72145A 1969-02-06 1972-01-21 NO132473C (fr)

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 (fr) 1975-08-11
NO132473C true NO132473C (fr) 1975-11-19

Family

ID=27121847

Family Applications (2)

Application Number Title Priority Date Filing Date
NO00405/70*[A NO127345B (fr) 1969-02-06 1970-02-05
NO72145A NO132473C (fr) 1969-02-06 1972-01-21

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NO00405/70*[A NO127345B (fr) 1969-02-06 1970-02-05

Country Status (7)

Country Link
US (1) US3640679A (fr)
JP (1) JPS4931404B1 (fr)
BE (1) BE745616A (fr)
DE (1) DE2004965A1 (fr)
FR (1) FR2033998A5 (fr)
NO (2) NO127345B (fr)
SE (1) SE373388B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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 (fr) * 2013-11-27 2020-10-27 Outotec (Finland) Oy Grillage de concentres d'oxydes metalliques pauvres en composes soufres

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US3640679A (en) 1972-02-08
SE373388B (sv) 1975-02-03
NO132473B (fr) 1975-08-11
BE745616A (fr) 1970-08-06
FR2033998A5 (en) 1970-12-04
JPS4931404B1 (fr) 1974-08-21
NO127345B (fr) 1973-06-12
DE2004965A1 (de) 1970-09-03

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