BE431849A - - Google Patents
Info
- Publication number
- BE431849A BE431849A BE431849DA BE431849A BE 431849 A BE431849 A BE 431849A BE 431849D A BE431849D A BE 431849DA BE 431849 A BE431849 A BE 431849A
- 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
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
- C01B17/506—Preparation of sulfur dioxide by reduction of sulfur compounds of calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/02—Oxides or hydroxides
- C01F11/08—Oxides or hydroxides by reduction of sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR845050T | 1938-04-13 | ||
| GB11690/38A GB514993A (en) | 1938-04-13 | 1938-04-19 | A process of making sulphur dioxide and lime |
| BE431849T | 1938-12-24 | ||
| CH211919T | 1938-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE431849A true BE431849A (US07534539-20090519-C00280.png) | 1939-01-31 |
Family
ID=9990902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431849D BE431849A (US07534539-20090519-C00280.png) | 1938-04-13 | 1938-12-24 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE431849A (US07534539-20090519-C00280.png) |
| CH (1) | CH211919A (US07534539-20090519-C00280.png) |
| FR (2) | FR845050A (US07534539-20090519-C00280.png) |
| GB (1) | GB514993A (US07534539-20090519-C00280.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE502247A (US07534539-20090519-C00280.png) * | 1950-04-04 | |||
| US3607068A (en) * | 1968-07-22 | 1971-09-21 | Elcor Chem Corp | Sulfur recovery process |
| BE793863A (fr) * | 1972-01-10 | 1973-07-10 | Procter & Gamble | Tube distributeur aplatissable |
| CN102776363B (zh) * | 2012-08-21 | 2014-06-18 | 中国科学院青海盐湖研究所 | 200目天青石矿粉和还原煤混合造球工艺 |
-
1938
- 1938-04-13 FR FR845050D patent/FR845050A/fr not_active Expired
- 1938-04-19 GB GB11690/38A patent/GB514993A/en not_active Expired
- 1938-12-23 FR FR50129D patent/FR50129E/fr not_active Expired
- 1938-12-24 BE BE431849D patent/BE431849A/xx unknown
- 1938-12-27 CH CH211919D patent/CH211919A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR845050A (fr) | 1939-08-09 |
| GB514993A (en) | 1939-11-23 |
| FR50129E (fr) | 1939-12-13 |
| CH211919A (fr) | 1940-10-31 |
