FR1228414A - Tungsten extraction and purification process - Google Patents

Tungsten extraction and purification process

Info

Publication number
FR1228414A
FR1228414A FR790736A FR790736A FR1228414A FR 1228414 A FR1228414 A FR 1228414A FR 790736 A FR790736 A FR 790736A FR 790736 A FR790736 A FR 790736A FR 1228414 A FR1228414 A FR 1228414A
Authority
FR
France
Prior art keywords
purification process
tungsten extraction
tungsten
extraction
purification
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
FR790736A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1228414A publication Critical patent/FR1228414A/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
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/36—Obtaining tungsten

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR790736A 1958-03-31 1959-03-31 Tungsten extraction and purification process Expired FR1228414A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1228414XA 1958-03-31 1958-03-31

Publications (1)

Publication Number Publication Date
FR1228414A true FR1228414A (en) 1960-08-29

Family

ID=22405084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR790736A Expired FR1228414A (en) 1958-03-31 1959-03-31 Tungsten extraction and purification process

Country Status (1)

Country Link
FR (1) FR1228414A (en)

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