BE689419A - - Google Patents
Info
- Publication number
- BE689419A BE689419A BE689419DA BE689419A BE 689419 A BE689419 A BE 689419A BE 689419D A BE689419D A BE 689419DA BE 689419 A BE689419 A BE 689419A
- 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)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US506752A US3301897A (en) | 1965-11-08 | 1965-11-08 | Process for urea synthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE689419A true BE689419A (zh) | 1967-05-08 |
Family
ID=24015878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE689419D BE689419A (zh) | 1965-11-08 | 1966-11-08 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3301897A (zh) |
| BE (1) | BE689419A (zh) |
| DE (1) | DE1568348A1 (zh) |
| FR (1) | FR1498842A (zh) |
| GB (1) | GB1121900A (zh) |
| NL (1) | NL6615686A (zh) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3370090A (en) * | 1965-09-30 | 1968-02-20 | Chemical Construction Corp | Urea synthesis process |
| US4092358A (en) * | 1968-09-03 | 1978-05-30 | Snamprogetti S.P.A. | Process for the production of urea having a low carbamate content |
| JPS4919259B1 (zh) * | 1969-08-30 | 1974-05-16 | ||
| JPS56128749A (en) * | 1980-03-13 | 1981-10-08 | Mitsui Toatsu Chem Inc | Stripping of unreacted material in urea preparation process |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| EP1429996B1 (en) * | 2001-07-24 | 2005-05-18 | DSM IP Assets B.V. | Method for obtaining an ammonium carbamate solution from a gas mixture containing ammonia, water and carbon dioxide |
-
1965
- 1965-11-08 US US506752A patent/US3301897A/en not_active Expired - Lifetime
-
1966
- 1966-10-18 GB GB48132/66A patent/GB1121900A/en not_active Expired
- 1966-11-07 FR FR82776A patent/FR1498842A/fr not_active Expired
- 1966-11-07 NL NL6615686A patent/NL6615686A/xx unknown
- 1966-11-08 BE BE689419D patent/BE689419A/xx unknown
- 1966-11-08 DE DE19661568348 patent/DE1568348A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1498842A (fr) | 1967-10-20 |
| DE1568348A1 (de) | 1970-02-12 |
| US3301897A (en) | 1967-01-31 |
| GB1121900A (en) | 1968-07-31 |
| NL6615686A (zh) | 1967-05-09 |