FR742284A - - Google Patents
Info
- Publication number
- FR742284A FR742284A FR742284DA FR742284A FR 742284 A FR742284 A FR 742284A FR 742284D A FR742284D A FR 742284DA FR 742284 A FR742284 A FR 742284A
- 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.)
- Expired
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
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/38—Nitric acid
- C01B21/44—Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE390066X | 1931-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742284A true FR742284A (xx) | 1933-03-03 |
Family
ID=6371892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742284D Expired FR742284A (xx) | 1931-09-18 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE390863A (xx) |
| FR (1) | FR742284A (xx) |
| GB (1) | GB390066A (xx) |
| NL (1) | NL34696C (xx) |
-
0
- BE BE390863D patent/BE390863A/xx unknown
- FR FR742284D patent/FR742284A/fr not_active Expired
- NL NL34696D patent/NL34696C/xx active
-
1932
- 1932-09-16 GB GB25846/32A patent/GB390066A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB390066A (en) | 1933-03-30 |
| BE390863A (xx) | |
| NL34696C (xx) |