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FR1220688A - Process for the production of oxygen-poor niobium and tantalum - Google Patents

Process for the production of oxygen-poor niobium and tantalum

Info

Publication number
FR1220688A
FR1220688A FR792589A FR792589A FR1220688A FR 1220688 A FR1220688 A FR 1220688A FR 792589 A FR792589 A FR 792589A FR 792589 A FR792589 A FR 792589A FR 1220688 A FR1220688 A FR 1220688A
Authority
FR
France
Prior art keywords
tantalum
oxygen
production
niobium
poor
Prior art date
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
Application number
FR792589A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of FR1220688A publication Critical patent/FR1220688A/en
Expired legal-status Critical Current

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)
FR792589A 1958-04-24 1959-04-20 Process for the production of oxygen-poor niobium and tantalum Expired FR1220688A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1220688X 1958-04-24

Publications (1)

Publication Number Publication Date
FR1220688A true FR1220688A (en) 1960-05-27

Family

ID=4563714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR792589A Expired FR1220688A (en) 1958-04-24 1959-04-20 Process for the production of oxygen-poor niobium and tantalum

Country Status (1)

Country Link
FR (1) FR1220688A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2611368A1 (en) * 1987-02-27 1988-09-02 Cabot Corp METHOD OF DESOXYDING A MATERIAL OF TANTALE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2611368A1 (en) * 1987-02-27 1988-09-02 Cabot Corp METHOD OF DESOXYDING A MATERIAL OF TANTALE

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