BE449728A - - Google Patents
Info
- Publication number
- BE449728A BE449728A BE449728DA BE449728A BE 449728 A BE449728 A BE 449728A BE 449728D A BE449728D A BE 449728DA BE 449728 A BE449728 A BE 449728A
- 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
- C01B17/88—Concentration of sulfuric acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE237962X | 1942-05-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449728A true BE449728A (en:Method) |
Family
ID=5903364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449728D BE449728A (en:Method) | 1942-05-01 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE449728A (en:Method) |
| CH (1) | CH237962A (en:Method) |
| FR (1) | FR892723A (en:Method) |
| NL (1) | NL64332C (en:Method) |
-
0
- NL NL64332D patent/NL64332C/xx active
- BE BE449728D patent/BE449728A/xx unknown
-
1943
- 1943-03-08 CH CH237962D patent/CH237962A/de unknown
- 1943-03-20 FR FR892723D patent/FR892723A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH237962A (de) | 1945-06-15 |
| NL64332C (en:Method) | |
| FR892723A (fr) | 1944-05-17 |