NL25417C - - Google Patents
Info
- Publication number
- NL25417C NL25417C NL25417DA NL25417C NL 25417 C NL25417 C NL 25417C NL 25417D A NL25417D A NL 25417DA NL 25417 C NL25417 C NL 25417C
- Authority
- NL
- Netherlands
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
- C01B17/7655—Multi-stage SO3-conversion with intermediate absorption
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 |
|---|---|---|---|
| DE289879X | 1927-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL25417C true NL25417C (fr) |
Family
ID=6059938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL25417D NL25417C (fr) | 1927-05-05 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR652440A (fr) |
| GB (1) | GB289879A (fr) |
| NL (1) | NL25417C (fr) |
-
0
- NL NL25417D patent/NL25417C/xx active
-
1928
- 1928-04-10 FR FR652440D patent/FR652440A/fr not_active Expired
- 1928-04-27 GB GB12380/28A patent/GB289879A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR652440A (fr) | 1929-03-08 |
| GB289879A (en) | 1928-07-26 |