FR708139A - Manufacturing process of hydrofluoric acid poor in silicic acid - Google Patents

Manufacturing process of hydrofluoric acid poor in silicic acid

Info

Publication number
FR708139A
FR708139A FR708139DA FR708139A FR 708139 A FR708139 A FR 708139A FR 708139D A FR708139D A FR 708139DA FR 708139 A FR708139 A FR 708139A
Authority
FR
France
Prior art keywords
manufacturing process
poor
acid
hydrofluoric acid
silicic acid
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR708139A publication Critical patent/FR708139A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
FR708139D 1930-12-15 1930-12-19 Manufacturing process of hydrofluoric acid poor in silicic acid Expired FR708139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3776130A GB359292A (en) 1930-12-15 1930-12-15 Process for the production of hydrofluoric acid, low in silica

Publications (1)

Publication Number Publication Date
FR708139A true FR708139A (en) 1931-07-18

Family

ID=10398817

Family Applications (1)

Application Number Title Priority Date Filing Date
FR708139D Expired FR708139A (en) 1930-12-15 1930-12-19 Manufacturing process of hydrofluoric acid poor in silicic acid

Country Status (2)

Country Link
FR (1) FR708139A (en)
GB (1) GB359292A (en)

Also Published As

Publication number Publication date
GB359292A (en) 1931-10-22

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