Nothing Special   »   [go: up one dir, main page]

FR496753A - Method and apparatus for the treatment of wulfenite - Google Patents

Method and apparatus for the treatment of wulfenite

Info

Publication number
FR496753A
FR496753A FR496753DA FR496753A FR 496753 A FR496753 A FR 496753A FR 496753D A FR496753D A FR 496753DA FR 496753 A FR496753 A FR 496753A
Authority
FR
France
Prior art keywords
wulfenite
treatment
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)
Inventor
Alfred-Auguste-Marie Massenet
Albert-Jacques-Maurice Greggory
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.)
ALBERT JACQUES MAURICE GREGGOR
ALFRED AUGUSTE MARIE MASSENET
Original Assignee
ALBERT JACQUES MAURICE GREGGOR
ALFRED AUGUSTE MARIE MASSENET
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 ALBERT JACQUES MAURICE GREGGOR, ALFRED AUGUSTE MARIE MASSENET filed Critical ALBERT JACQUES MAURICE GREGGOR
Application granted granted Critical
Publication of FR496753A publication Critical patent/FR496753A/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
    • C22B34/34—Obtaining molybdenum

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR496753D 1918-06-20 1918-06-20 Method and apparatus for the treatment of wulfenite Expired FR496753A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR496753T 1918-06-20

Publications (1)

Publication Number Publication Date
FR496753A true FR496753A (en) 1919-11-15

Family

ID=1532144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR496753D Expired FR496753A (en) 1918-06-20 1918-06-20 Method and apparatus for the treatment of wulfenite

Country Status (1)

Country Link
FR (1) FR496753A (en)

Similar Documents

Publication Publication Date Title
FR699075A (en) Method and apparatus for the treatment of materials
FR493187A (en) Improved method and apparatus for soil treatment
FR496753A (en) Method and apparatus for the treatment of wulfenite
FR504068A (en) Method and apparatus for the treatment of sludge
FR491075A (en) Method and apparatus for measuring the pitch of threads
FR494340A (en) Method and apparatus for massage
FR521624A (en) Method and apparatus for relieving pumps
FR495038A (en) Method and apparatus for the distillation of glycerin
FR21055E (en) Method and apparatus for the distillation of glycerin
FR512966A (en) Magnetizable materials treatment process
FR504735A (en) Method and apparatus for the industrial manufacture of triphenylarsine
FR491476A (en) Method and apparatus for refining camphor
FR498643A (en) Process and apparatus for the manufacture of hydrochlorides
FR498286A (en) Method and apparatus for the recovery of solvents
FR494685A (en) Method and apparatus for the manufacture of belts
FR491475A (en) Method and apparatus for purifying camphor
FR492756A (en) Method and apparatus for making clasps
FR503939A (en) Method and apparatus for the preparation of nitro-celluloses
FR501155A (en) Apparatus for the treatment of hides and skins
FR494996A (en) Apparatus and method for the recovery of fat
FR533312A (en) Method and apparatus for the treatment of oil shale
FR498960A (en) Method and apparatus for the manufacture of bricks for construction
FR522941A (en) Methods and apparatus for the treatment of coal
FR493083A (en) Method and apparatus for the recovery of pyridine bases
FR519358A (en) Method and device for the treatment of materials by irradiation