BE498275A - - Google Patents
Info
- Publication number
- BE498275A BE498275A BE498275DA BE498275A BE 498275 A BE498275 A BE 498275A BE 498275D A BE498275D A BE 498275DA BE 498275 A BE498275 A BE 498275A
- 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
- C01B7/193—Preparation from silicon tetrafluoride, fluosilicic acid or fluosilicates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US289677XA | 1949-10-28 | 1949-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE498275A true BE498275A (en:Method) |
Family
ID=21846492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE498275D BE498275A (en:Method) | 1949-10-28 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE498275A (en:Method) |
| CH (1) | CH289677A (en:Method) |
| DE (1) | DE877748C (en:Method) |
| GB (1) | GB669519A (en:Method) |
-
0
- BE BE498275D patent/BE498275A/xx unknown
-
1950
- 1950-09-14 GB GB22602/50A patent/GB669519A/en not_active Expired
- 1950-10-09 CH CH289677D patent/CH289677A/fr unknown
- 1950-10-15 DE DEA4712A patent/DE877748C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB669519A (en) | 1952-04-02 |
| DE877748C (de) | 1953-05-26 |
| CH289677A (fr) | 1953-03-31 |