FR1596497A - - Google Patents

Info

Publication number
FR1596497A
FR1596497A FR158886A FR1596497DA FR1596497A FR 1596497 A FR1596497 A FR 1596497A FR 158886 A FR158886 A FR 158886A FR 1596497D A FR1596497D A FR 1596497DA FR 1596497 A FR1596497 A FR 1596497A
Authority
FR
France
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
FR158886A
Other languages
French (fr)
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 DE19681767548 external-priority patent/DE1767548C/en
Application filed filed Critical
Application granted granted Critical
Publication of FR1596497A publication Critical patent/FR1596497A/fr
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
FR158886A 1968-05-21 1968-07-11 Expired FR1596497A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19681767548 DE1767548C (en) 1968-05-21 Process for the production of hydrofluoric acid with a high degree of purity and installation for carrying out the process
GB24662/68A GB1192474A (en) 1968-05-21 1968-05-23 Method and Apparatus for Producing Hydrofluoric Acid of High Purity
BE717933 1968-07-11
FR158886 1968-07-11

Publications (1)

Publication Number Publication Date
FR1596497A true FR1596497A (en) 1970-06-22

Family

ID=27424919

Family Applications (1)

Application Number Title Priority Date Filing Date
FR158886A Expired FR1596497A (en) 1968-05-21 1968-07-11

Country Status (3)

Country Link
BE (1) BE717933A (en)
FR (1) FR1596497A (en)
GB (1) GB1192474A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6350425B2 (en) 1994-01-07 2002-02-26 Air Liquide America Corporation On-site generation of ultra-high-purity buffered-HF and ammonium fluoride

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19905798A1 (en) 1999-02-12 2000-08-17 Bayer Ag Process for the production of pure hydrofluoric acid
CN100443398C (en) * 2006-10-09 2008-12-17 殷福华 Prepn process of high purity hydrofluoric acid
CN108892104B (en) * 2018-10-17 2020-01-14 杨松 Application method of hydrogen fluoride preparation process device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6350425B2 (en) 1994-01-07 2002-02-26 Air Liquide America Corporation On-site generation of ultra-high-purity buffered-HF and ammonium fluoride

Also Published As

Publication number Publication date
DE1767548B2 (en) 1972-10-19
GB1192474A (en) 1970-05-20
BE717933A (en) 1969-01-13
DE1767548A1 (en) 1972-03-09

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Legal Events

Date Code Title Description
ST Notification of lapse