FR1476139A - Process for preparing tungstic acid - Google Patents

Process for preparing tungstic acid

Info

Publication number
FR1476139A
FR1476139A FR57640A FR57640A FR1476139A FR 1476139 A FR1476139 A FR 1476139A FR 57640 A FR57640 A FR 57640A FR 57640 A FR57640 A FR 57640A FR 1476139 A FR1476139 A FR 1476139A
Authority
FR
France
Prior art keywords
tungstic acid
preparing tungstic
preparing
acid
tungstic
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
FR57640A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority claimed from NL6504827A external-priority patent/NL6504827A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR57640A priority Critical patent/FR1476139A/en
Application granted granted Critical
Publication of FR1476139A publication Critical patent/FR1476139A/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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00—Compounds of tungsten

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
FR57640A 1965-04-15 1966-04-14 Process for preparing tungstic acid Expired FR1476139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR57640A FR1476139A (en) 1965-04-15 1966-04-14 Process for preparing tungstic acid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6504827A NL6504827A (en) 1965-04-15 1965-04-15
FR57640A FR1476139A (en) 1965-04-15 1966-04-14 Process for preparing tungstic acid

Publications (1)

Publication Number Publication Date
FR1476139A true FR1476139A (en) 1967-04-07

Family

ID=26169950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR57640A Expired FR1476139A (en) 1965-04-15 1966-04-14 Process for preparing tungstic acid

Country Status (1)

Country Link
FR (1) FR1476139A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117886361A (en) * 2024-03-14 2024-04-16 崇义章源钨业股份有限公司 Method for washing tungstic acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117886361A (en) * 2024-03-14 2024-04-16 崇义章源钨业股份有限公司 Method for washing tungstic acid

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