BE441741A - - Google Patents
Info
- Publication number
- BE441741A BE441741A BE441741DA BE441741A BE 441741 A BE441741 A BE 441741A BE 441741D A BE441741D A BE 441741DA BE 441741 A BE441741 A BE 441741A
- 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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/80—Apparatus
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH549735X | 1940-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441741A true BE441741A (zh) |
Family
ID=4519551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441741D BE441741A (zh) | 1940-06-15 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE441741A (zh) |
| CH (1) | CH216686A (zh) |
| FR (1) | FR878749A (zh) |
| GB (1) | GB549735A (zh) |
-
0
- BE BE441741D patent/BE441741A/xx unknown
-
1940
- 1940-06-15 CH CH216686D patent/CH216686A/de unknown
-
1941
- 1941-06-06 FR FR878749D patent/FR878749A/fr not_active Expired
- 1941-06-13 GB GB7488/41A patent/GB549735A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR878749A (fr) | 1943-01-28 |
| GB549735A (en) | 1942-12-04 |
| CH216686A (de) | 1941-09-15 |