[go: up one dir, main page]

FR23444E - Metallurgical process - Google Patents

Metallurgical process

Info

Publication number
FR23444E
FR23444E FR23444A FR23444DA FR23444E FR 23444 E FR23444 E FR 23444E FR 23444 A FR23444 A FR 23444A FR 23444D A FR23444D A FR 23444DA FR 23444 E FR23444 E FR 23444E
Authority
FR
France
Prior art keywords
metallurgical process
metallurgical
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
FR23444A
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.)
Norsk Hydro Elektrisk Kvaelstof AS
Original Assignee
Norsk Hydro Elektrisk Kvaelstof AS
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 Norsk Hydro Elektrisk Kvaelstof AS filed Critical Norsk Hydro Elektrisk Kvaelstof AS
Application granted granted Critical
Publication of FR23444E publication Critical patent/FR23444E/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
    • C22B5/00—General methods of reducing to metals
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/08—Dry methods smelting of sulfides or formation of mattes by sulfides; Roasting reaction methods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
FR23444A 1920-08-27 1920-08-27 Metallurgical process Expired FR23444E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR23444T 1920-08-27

Publications (1)

Publication Number Publication Date
FR23444E true FR23444E (en) 1921-11-16

Family

ID=8662184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR23444A Expired FR23444E (en) 1920-08-27 1920-08-27 Metallurgical process

Country Status (1)

Country Link
FR (1) FR23444E (en)

Similar Documents

Publication Publication Date Title
FR25679E (en) Aging process for eaux-de-vie
FR523376A (en) Distillation process
FR524537A (en) Monochlortoluenes separation process
FR23444E (en) Metallurgical process
FR511106A (en) Pickling annealing process
FR527585A (en) Advanced bricks
FR525315A (en) Claim process
FR527246A (en) Molasses refining process
FR517654A (en) Process for metal de-tinning
CH87769A (en) Graphic reproduction process.
FR533222A (en) Malting process
FR551901A (en) Casting process
FR532873A (en) Stamping process
FR24756E (en) Molding process
FR530718A (en) Molding process
FR523734A (en) Distillation process
FR531641A (en) Distillation process
FR508156A (en) Paving process
FR529213A (en) Metallurgical coke manufacturing process
CH81749A (en) Taboo
FR540343A (en) Cinematography process
FR588956A (en) Metallurgical process
FR537511A (en) Basic refractory product
FR526568A (en) Advanced sandblaster
FR570957A (en) Electrometallurgical process