SE329920B - - Google Patents

Info

Publication number
SE329920B
SE329920B SE01661/69A SE166169A SE329920B SE 329920 B SE329920 B SE 329920B SE 01661/69 A SE01661/69 A SE 01661/69A SE 166169 A SE166169 A SE 166169A SE 329920 B SE329920 B SE 329920B
Authority
SE
Sweden
Application number
SE01661/69A
Inventor
E Svanstroem
Original Assignee
Nordstjernan Rederi Ab
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 Nordstjernan Rederi Ab filed Critical Nordstjernan Rederi Ab
Priority to SE01661/69A priority Critical patent/SE329920B/xx
Priority to US813746A priority patent/US3701649A/en
Priority to GB08305/69A priority patent/GB1263283A/en
Priority to NL696905479A priority patent/NL144331B/xx
Priority to JP44027577A priority patent/JPS4915124B1/ja
Priority to FR6910981A priority patent/FR2005897A1/fr
Priority to FI691023A priority patent/FI50344C/fi
Priority to DE19691918107 priority patent/DE1918107A1/de
Publication of SE329920B publication Critical patent/SE329920B/xx
Priority to FI751610A priority patent/FI751610A/fi
Priority to DK74776A priority patent/DK74776A/da

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
    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006—Wet processes
    • C22B7/007—Wet processes by acid leaching

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
SE01661/69A 1968-04-09 1969-02-07 SE329920B (fi)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE01661/69A SE329920B (fi) 1969-02-07 1969-02-07
US813746A US3701649A (en) 1968-04-09 1969-04-04 Process for the production of high melting metals
GB08305/69A GB1263283A (en) 1968-04-09 1969-04-09 Process for the production of high melting metals
NL696905479A NL144331B (nl) 1968-04-09 1969-04-09 Werkwijze ter bereiding van hoogsmeltende metalen uit ertsen van deze metalen.
JP44027577A JPS4915124B1 (fi) 1968-04-09 1969-04-09
FR6910981A FR2005897A1 (fi) 1968-04-09 1969-04-09
FI691023A FI50344C (fi) 1968-04-09 1969-04-09 Vaikeasti sulavien metallien valmistusmenetelmä
DE19691918107 DE1918107A1 (de) 1968-04-09 1969-04-09 Verfahren zur Herstellung von schwer schmelzbaren Metallen
FI751610A FI751610A (fi) 1968-04-09 1975-05-30
DK74776A DK74776A (da) 1968-04-09 1976-02-23 Fremgangsmade til fremstilling af wolfram

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE01661/69A SE329920B (fi) 1969-02-07 1969-02-07

Publications (1)

Publication Number Publication Date
SE329920B true SE329920B (fi) 1970-10-26

Family

ID=20258605

Family Applications (1)

Application Number Title Priority Date Filing Date
SE01661/69A SE329920B (fi) 1968-04-09 1969-02-07

Country Status (1)

Country Link
SE (1) SE329920B (fi)

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