NL49773C - - Google Patents
Info
- Publication number
- NL49773C NL49773C NL49773DA NL49773C NL 49773 C NL49773 C NL 49773C NL 49773D A NL49773D A NL 49773DA NL 49773 C NL49773 C NL 49773C
- 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
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/086—Compounds containing nitrogen and non-metals and optionally metals containing one or more sulfur atoms
-
- 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
- C01B21/46—Purification; Separation ; Stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL211648X | 1938-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49773C true NL49773C (ar) |
Family
ID=19778859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49773D NL49773C (ar) | 1938-02-02 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE432443A (ar) |
| CH (1) | CH211648A (ar) |
| FR (1) | FR849671A (ar) |
| GB (1) | GB524531A (ar) |
| NL (1) | NL49773C (ar) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL74128C (ar) * | 1952-04-25 |
-
0
- NL NL49773D patent/NL49773C/xx active
- BE BE432443D patent/BE432443A/xx unknown
-
1939
- 1939-01-30 CH CH211648D patent/CH211648A/de unknown
- 1939-01-31 FR FR849671D patent/FR849671A/fr not_active Expired
- 1939-01-31 GB GB3320/39A patent/GB524531A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE432443A (ar) | |
| GB524531A (en) | 1940-08-08 |
| FR849671A (fr) | 1939-11-29 |
| CH211648A (de) | 1940-10-15 |