NL23540C - - Google Patents
Info
- Publication number
- NL23540C NL23540C NL23540DA NL23540C NL 23540 C NL23540 C NL 23540C NL 23540D A NL23540D A NL 23540DA NL 23540 C NL23540 C NL 23540C
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrostatic Separation (AREA)
- Drying Of Gases (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM100490A DE466578C (de) | 1927-07-08 | 1927-07-08 | Herstellung von Schwefelsaeure und Oleum nach dem Kontaktverfahren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL23540C true NL23540C (enrdf_load_stackoverflow) |
Family
ID=6079347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL23540D NL23540C (enrdf_load_stackoverflow) | 1927-07-08 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE352190A (enrdf_load_stackoverflow) |
| DE (1) | DE466578C (enrdf_load_stackoverflow) |
| GB (1) | GB293450A (enrdf_load_stackoverflow) |
| NL (1) | NL23540C (enrdf_load_stackoverflow) |
-
0
- NL NL23540D patent/NL23540C/xx active
- BE BE352190D patent/BE352190A/xx unknown
-
1927
- 1927-07-08 DE DEM100490A patent/DE466578C/de not_active Expired
-
1928
- 1928-06-13 GB GB17159/28A patent/GB293450A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE352190A (enrdf_load_stackoverflow) | |
| GB293450A (en) | 1929-04-11 |
| DE466578C (de) | 1928-10-08 |