FR834449A - Improvements in processes for treating materials containing tantalum or niobium - Google Patents

Improvements in processes for treating materials containing tantalum or niobium

Info

Publication number
FR834449A
FR834449A FR834449DA FR834449A FR 834449 A FR834449 A FR 834449A FR 834449D A FR834449D A FR 834449DA FR 834449 A FR834449 A FR 834449A
Authority
FR
France
Prior art keywords
niobium
processes
materials containing
containing tantalum
treating materials
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
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.)
Societe Generale Metallurgique de Hoboken SA
Original Assignee
Societe Generale Metallurgique de Hoboken SA
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 Societe Generale Metallurgique de Hoboken SA filed Critical Societe Generale Metallurgique de Hoboken SA
Application granted granted Critical
Publication of FR834449A publication Critical patent/FR834449A/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)
FR834449D 1937-03-22 1938-02-28 Improvements in processes for treating materials containing tantalum or niobium Expired FR834449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB834449X 1937-03-22

Publications (1)

Publication Number Publication Date
FR834449A true FR834449A (en) 1938-11-21

Family

ID=10554057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834449D Expired FR834449A (en) 1937-03-22 1938-02-28 Improvements in processes for treating materials containing tantalum or niobium

Country Status (1)

Country Link
FR (1) FR834449A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424326A1 (en) * 1978-04-28 1979-11-23 Kawecki Berylco Ind NIOBIUM EXTRACTION PROCESS TO PREPARE A NIOBIUM ALLOY

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424326A1 (en) * 1978-04-28 1979-11-23 Kawecki Berylco Ind NIOBIUM EXTRACTION PROCESS TO PREPARE A NIOBIUM ALLOY

Similar Documents

Publication Publication Date Title
FR844317A (en) Improvements in the treatment of skins for furs
FR834449A (en) Improvements in processes for treating materials containing tantalum or niobium
FR836069A (en) Improvements in the treatment of cellulosic materials
FR834104A (en) Process for treating materials containing tantalum or niobium
FR834105A (en) Improvements in the treatment of materials containing tantalum or niobium
FR834602A (en) Process for the treatment of substances containing tantalum and niobium
FR846584A (en) Process for processing substances containing tantalum and niobium
FR826114A (en) Improvements in the processing of materials containing tantalum or niobium, or tantalum and niobium
FR831630A (en) Process for the treatment of proteins and resulting materials
FR838952A (en) Process for treating liquids
FR821147A (en) Process for the treatment of materials containing tantalum or niobium or tantalum and niobium
FR837877A (en) Process for reversing the degree of blackening of positive or negative films
FR759475A (en) Process for the treatment of materials containing cobalt
FR832110A (en) Improvements to processes and apparatus for the treatment of integuments
FR820216A (en) Improvements in processes for the treatment of materials containing synthetic or artificial resins
FR787813A (en) Improvements to processes and apparatus for the treatment of materials from sewage or other
FR846723A (en) Process improvements to configure or shape pipes
FR837861A (en) Process for tanning leathers
FR631039A (en) Improvement of tarpaulins containing liquid for the treatment of textiles or other materials
FR803116A (en) Improvements to household waste treatment processes and similar materials
FR816205A (en) Improvements in processes for the manufacture of pure cellulose
FR823110A (en) Improvements to the processes for the treatment of distillation residues
FR761524A (en) Process for the treatment of materials containing vanadium
FR809881A (en) Improvements to processes and devices for the treatment of bituminous materials
FR773980A (en) Process improvements for the treatment of oxidized ores