FR494485A - - Google Patents
Info
- Publication number
- FR494485A FR494485A FR494485DA FR494485A FR 494485 A FR494485 A FR 494485A FR 494485D A FR494485D A FR 494485DA FR 494485 A FR494485 A FR 494485A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/04—Purification or separation of nitrogen
- C01B21/0405—Purification or separation processes
- C01B21/0411—Chemical processing only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0045—Oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH127852X | 1916-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR494485A true FR494485A (xx) |
Family
ID=32331780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR494485D Active FR494485A (xx) | 1916-06-17 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR494485A (xx) |
| GB (1) | GB127852A (xx) |
-
0
- FR FR494485D patent/FR494485A/fr active Active
-
1917
- 1917-05-31 GB GB7814/17A patent/GB127852A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB127852A (en) | 1919-06-19 |