NL25071C - - Google Patents
Info
- Publication number
- NL25071C NL25071C NL25071DC NL25071C NL 25071 C NL25071 C NL 25071C NL 25071D C NL25071D C NL 25071DC NL 25071 C NL25071 C NL 25071C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL335421X | 1928-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL25071C true NL25071C (fr) | 1900-01-01 |
Family
ID=19784525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL25071D NL25071C (fr) | 1928-11-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1945314A (fr) |
| DE (1) | DE523116C (fr) |
| GB (1) | GB335421A (fr) |
| NL (1) | NL25071C (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE424783A (fr) * | 1936-12-09 | |||
| BE443523A (fr) * | 1941-03-18 | 1900-01-01 | ||
| US2932664A (en) * | 1956-11-13 | 1960-04-12 | Carbogen Corp | Manufacture of alkali carbamates |
| US3072721A (en) * | 1959-02-03 | 1963-01-08 | Allied Chem | Production of urea from ammonia and co2 |
-
0
- NL NL25071D patent/NL25071C/xx active
-
1929
- 1929-10-18 DE DEN31045D patent/DE523116C/de not_active Expired
- 1929-10-28 GB GB32713/29A patent/GB335421A/en not_active Expired
- 1929-11-02 US US404522A patent/US1945314A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1945314A (en) | 1934-01-30 |
| DE523116C (de) | 1931-04-27 |
| GB335421A (en) | 1930-09-25 |