FR569186A - Process for obtaining metals with a very high melting point such as tungsten - Google Patents

Process for obtaining metals with a very high melting point such as tungsten

Info

Publication number
FR569186A
FR569186A FR569186DA FR569186A FR 569186 A FR569186 A FR 569186A FR 569186D A FR569186D A FR 569186DA FR 569186 A FR569186 A FR 569186A
Authority
FR
France
Prior art keywords
tungsten
melting point
high melting
obtaining metals
metals
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.)
Brev Berthet SA Des
Original Assignee
Brev Berthet SA Des
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 Brev Berthet SA Des filed Critical Brev Berthet SA Des
Application granted granted Critical
Publication of FR569186A publication Critical patent/FR569186A/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)
FR569186D 1922-10-03 1922-10-03 Process for obtaining metals with a very high melting point such as tungsten Expired FR569186A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR569186T 1922-10-03

Publications (1)

Publication Number Publication Date
FR569186A true FR569186A (en) 1924-04-08

Family

ID=8948983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR569186D Expired FR569186A (en) 1922-10-03 1922-10-03 Process for obtaining metals with a very high melting point such as tungsten

Country Status (1)

Country Link
FR (1) FR569186A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2782114A (en) * 1953-12-18 1957-02-19 Ici Ltd Melting of high melting point metals or alloys

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2782114A (en) * 1953-12-18 1957-02-19 Ici Ltd Melting of high melting point metals or alloys

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