FR2123448A1 - - Google Patents
Info
- Publication number
- FR2123448A1 FR2123448A1 FR7202608A FR7202608A FR2123448A1 FR 2123448 A1 FR2123448 A1 FR 2123448A1 FR 7202608 A FR7202608 A FR 7202608A FR 7202608 A FR7202608 A FR 7202608A FR 2123448 A1 FR2123448 A1 FR 2123448A1
- 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.)
- Granted
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
- C01B7/192—Preparation from fluorspar
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/10—Compounds containing silicon, fluorine, and other elements
- C01B33/103—Fluosilicic acid; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Glass Compositions (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2103338A DE2103338C3 (en) | 1971-01-26 | 1971-01-26 | Process for the production of hydrofluoric acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2123448A1 true FR2123448A1 (en) | 1972-09-08 |
| FR2123448B1 FR2123448B1 (en) | 1977-04-01 |
Family
ID=5796819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7202608A Expired FR2123448B1 (en) | 1971-01-26 | 1972-01-26 |
Country Status (10)
| Country | Link |
|---|---|
| AU (1) | AU454507B2 (en) |
| BE (1) | BE778516A (en) |
| CA (1) | CA981870A (en) |
| DE (1) | DE2103338C3 (en) |
| ES (1) | ES399184A1 (en) |
| FR (1) | FR2123448B1 (en) |
| GB (1) | GB1371790A (en) |
| IT (1) | IT948541B (en) |
| NL (1) | NL7200946A (en) |
| ZA (1) | ZA72492B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4150102A (en) * | 1975-10-02 | 1979-04-17 | Bayer Aktiengesellschaft | Purifying hydrofluoric acid |
| JP4599673B2 (en) | 2000-07-10 | 2010-12-15 | ダイキン工業株式会社 | Hydrogen fluoride production apparatus and production method |
| CN115487518B (en) * | 2022-10-15 | 2023-05-26 | 江西天晟化工有限公司 | Electronic grade hydrofluoric acid production device and production method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1316980A (en) * | 1961-04-27 | 1963-02-01 | Allied Chem | Process for manufacturing hydrofluoric acid by the action of sulfuric acid on fluorspar |
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1971
- 1971-01-26 DE DE2103338A patent/DE2103338C3/en not_active Expired
-
1972
- 1972-01-06 AU AU37633/72A patent/AU454507B2/en not_active Expired
- 1972-01-24 NL NL7200946A patent/NL7200946A/xx unknown
- 1972-01-24 IT IT47894/72A patent/IT948541B/en active
- 1972-01-24 CA CA132,998A patent/CA981870A/en not_active Expired
- 1972-01-25 ES ES399184A patent/ES399184A1/en not_active Expired
- 1972-01-25 GB GB338272A patent/GB1371790A/en not_active Expired
- 1972-01-25 ZA ZA720492A patent/ZA72492B/en unknown
- 1972-01-26 FR FR7202608A patent/FR2123448B1/fr not_active Expired
- 1972-01-26 BE BE778516A patent/BE778516A/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1316980A (en) * | 1961-04-27 | 1963-02-01 | Allied Chem | Process for manufacturing hydrofluoric acid by the action of sulfuric acid on fluorspar |
Also Published As
| Publication number | Publication date |
|---|---|
| AU3763372A (en) | 1973-07-12 |
| NL7200946A (en) | 1972-07-28 |
| BE778516A (en) | 1972-07-26 |
| AU454507B2 (en) | 1974-10-31 |
| FR2123448B1 (en) | 1977-04-01 |
| CA981870A (en) | 1976-01-20 |
| ZA72492B (en) | 1972-09-27 |
| IT948541B (en) | 1973-06-11 |
| DE2103338A1 (en) | 1972-08-03 |
| ES399184A1 (en) | 1974-12-16 |
| DE2103338C3 (en) | 1978-03-02 |
| GB1371790A (en) | 1974-10-30 |
| DE2103338B2 (en) | 1975-01-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |