BE708174A - - Google Patents
Info
- Publication number
- BE708174A BE708174A BE708174DA BE708174A BE 708174 A BE708174 A BE 708174A BE 708174D A BE708174D A BE 708174DA BE 708174 A BE708174 A BE 708174A
- Authority
- BE
- Belgium
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)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR132211 | 1967-12-14 | ||
| BE708174 | 1967-12-18 | ||
| DEK0064579 | 1968-01-29 | ||
| GB5379/68A GB1174382A (en) | 1967-12-14 | 1968-02-02 | A Method for Purifying Hydrofluoric Acid. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE708174A true BE708174A (US07906212-20110315-C00002.png) | 1968-06-18 |
Family
ID=27424897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE708174D BE708174A (US07906212-20110315-C00002.png) | 1967-12-14 | 1967-12-18 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE708174A (US07906212-20110315-C00002.png) |
| DE (1) | DE1667579B1 (US07906212-20110315-C00002.png) |
| FR (1) | FR1561184A (US07906212-20110315-C00002.png) |
| GB (1) | GB1174382A (US07906212-20110315-C00002.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4083941A (en) * | 1977-04-18 | 1978-04-11 | E. I. Du Pont De Nemours And Company | Purification of anhydrous hydrogen fluoride |
| CN109292737B (zh) * | 2018-10-17 | 2020-03-10 | 杨松 | 一种制备氟化氢循环流化床脱气装置的使用方法 |
| CN109279578B (zh) * | 2018-10-17 | 2020-03-06 | 杨松 | 一种制备电子级氟化氢精馏装置的使用方法 |
| CN115433580B (zh) * | 2022-10-27 | 2023-08-18 | 湖北九宁化学科技有限公司 | 一种光电行业蚀刻液的生产方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1335675A (fr) * | 1961-07-27 | 1963-08-23 | I C P M Ind Chimiche Porto Mar | Procédé pour l'élimination de composés d'arsenic et d'antimoine de l'acide fluorhdrique moyennant la formation de complexes, facilement séparables, entre l'arsenic et l'antimoine, le fluor et un métal alcalin |
| FR1358123A (fr) * | 1962-06-04 | 1964-04-10 | Union Carbide Corp | Purification de l'acide fluorhydrique |
-
1967
- 1967-12-14 FR FR132211A patent/FR1561184A/fr not_active Expired
- 1967-12-18 BE BE708174D patent/BE708174A/xx unknown
-
1968
- 1968-01-29 DE DE19681667579 patent/DE1667579B1/de not_active Withdrawn
- 1968-02-02 GB GB5379/68A patent/GB1174382A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1667579B1 (de) | 1970-11-05 |
| GB1174382A (en) | 1969-12-17 |
| FR1561184A (US07906212-20110315-C00002.png) | 1969-03-28 |
