CH200057A - Procédé de fabrication de l'urée. - Google Patents
Procédé de fabrication de l'urée.Info
- Publication number
- CH200057A CH200057A CH200057DA CH200057A CH 200057 A CH200057 A CH 200057A CH 200057D A CH200057D A CH 200057DA CH 200057 A CH200057 A CH 200057A
- Authority
- CH
- Switzerland
- Prior art keywords
- urea
- ammonia
- column
- inert liquid
- autoclave
- Prior art date
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR826280T | 1936-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH200057A true CH200057A (fr) | 1938-09-30 |
Family
ID=34130865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH200057D CH200057A (fr) | 1936-12-09 | 1937-11-22 | Procédé de fabrication de l'urée. |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT165064B (de) |
| BE (1) | BE424783A (de) |
| CH (1) | CH200057A (de) |
| DE (1) | DE761103C (de) |
| FR (1) | FR826280A (de) |
| GB (1) | GB488404A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE443523A (de) * | 1941-03-18 | 1900-01-01 | ||
| US3072721A (en) * | 1959-02-03 | 1963-01-08 | Allied Chem | Production of urea from ammonia and co2 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE294793C (de) * | ||||
| NL25071C (de) * | 1928-11-13 | 1900-01-01 |
-
0
- BE BE424783D patent/BE424783A/xx unknown
-
1936
- 1936-12-09 FR FR826280D patent/FR826280A/fr not_active Expired
-
1937
- 1937-09-15 DE DEC53188D patent/DE761103C/de not_active Expired
- 1937-11-22 CH CH200057D patent/CH200057A/fr unknown
- 1937-11-30 GB GB33032/37A patent/GB488404A/en not_active Expired
-
1948
- 1948-04-28 AT AT165064D patent/AT165064B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| FR826280A (fr) | 1938-03-28 |
| AT165064B (de) | 1950-01-10 |
| GB488404A (en) | 1938-07-06 |
| BE424783A (de) | |
| DE761103C (de) | 1953-01-05 |
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