NL35821C - - Google Patents
Info
- Publication number
- NL35821C NL35821C NL35821DA NL35821C NL 35821 C NL35821 C NL 35821C NL 35821D A NL35821D A NL 35821DA NL 35821 C NL35821 C NL 35821C
- 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
- 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 |
|---|---|---|---|
| FR720770T | 1930-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL35821C true NL35821C (en:Method) |
Family
ID=9094677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL35821D NL35821C (en:Method) | 1930-11-04 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE383470A (en:Method) |
| FR (1) | FR720770A (en:Method) |
| GB (1) | GB376583A (en:Method) |
| NL (1) | NL35821C (en:Method) |
-
0
- NL NL35821D patent/NL35821C/xx active
- BE BE383470D patent/BE383470A/xx unknown
-
1930
- 1930-11-04 FR FR720770D patent/FR720770A/fr not_active Expired
-
1931
- 1931-10-20 GB GB29144/31A patent/GB376583A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB376583A (en) | 1932-07-14 |
| FR720770A (fr) | 1932-02-24 |
| BE383470A (en:Method) |