BE502582A - - Google Patents
Info
- Publication number
- BE502582A BE502582A BE502582DA BE502582A BE 502582 A BE502582 A BE 502582A BE 502582D A BE502582D A BE 502582DA BE 502582 A BE502582 A BE 502582A
- 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
- C01B17/765—Multi-stage SO3-conversion
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE687444X | 1950-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE502582A true BE502582A (en:Method) |
Family
ID=6598267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE502582D BE502582A (en:Method) | 1950-04-17 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE502582A (en:Method) |
| GB (1) | GB687444A (en:Method) |
| NL (1) | NL76190C (en:Method) |
-
0
- NL NL76190D patent/NL76190C/xx active
- BE BE502582D patent/BE502582A/xx unknown
-
1951
- 1951-04-17 GB GB8935/51A patent/GB687444A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB687444A (en) | 1953-02-11 |
| NL76190C (en:Method) |