BE691751A - - Google Patents
Info
- Publication number
- BE691751A BE691751A BE691751DA BE691751A BE 691751 A BE691751 A BE 691751A BE 691751D A BE691751D A BE 691751DA BE 691751 A BE691751 A BE 691751A
- Authority
- BE
- Belgium
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 |
|---|---|---|---|
| US65107357A | 1957-04-05 | 1957-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE691751A true BE691751A (da) | 1967-05-29 |
Family
ID=24611469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE691751D BE691751A (da) | 1957-04-05 | 1966-12-23 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3046307A (da) |
| BE (1) | BE691751A (da) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2049891C3 (de) * | 1969-10-15 | 1975-04-24 | Snam Progetti S.P.A., Mailand (Italien) | Verfahren zur Verbesserung der Ammoniumcarbamat-Zersetzung bei der Herstellung von Harnstoff |
| US3932504A (en) * | 1970-05-19 | 1976-01-13 | Vulcan-Cincinnati, Inc. | Urea manufacture |
| BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
| US4042626A (en) * | 1972-07-12 | 1977-08-16 | Chemical Construction Corporation | Integrated two-stage urea synthesis |
| CA2146070C (en) * | 1995-03-15 | 2002-01-29 | Kees Jonckers | Improved reactor for the synthesis of urea |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2212847A (en) * | 1940-08-27 | Process for the recovery anb keuti- | ||
| US1937116A (en) * | 1931-01-02 | 1933-11-28 | Du Pont | Urea manufacture |
| US2056283A (en) * | 1933-09-13 | 1936-10-06 | Atmospherie Nitrogen Corp | Process for the production of urea and an ammonium salt |
| US2214068A (en) * | 1939-01-20 | 1940-09-10 | Solvay Process Co | Process for the production of urea from ammonia and carbon dioxide containing inerts |
| US2701262A (en) * | 1953-02-02 | 1955-02-01 | Chemical Construction Corp | Urea purification |
| US2848493A (en) * | 1955-06-27 | 1958-08-19 | Allied Chem | Process for synthesis of urea |
-
0
- US US3046307D patent/US3046307A/en not_active Expired - Lifetime
-
1966
- 1966-12-23 BE BE691751D patent/BE691751A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3046307A (en) | 1962-07-24 |