ZA825789B - Process for the preparation of urea - Google Patents
Process for the preparation of ureaInfo
- Publication number
- ZA825789B ZA825789B ZA825789A ZA825789A ZA825789B ZA 825789 B ZA825789 B ZA 825789B ZA 825789 A ZA825789 A ZA 825789A ZA 825789 A ZA825789 A ZA 825789A ZA 825789 B ZA825789 B ZA 825789B
- Authority
- ZA
- South Africa
- Prior art keywords
- urea
- preparation
- 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
-
- 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
- C07C273/08—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 ammoniacal liquor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8104039A NL8104039A (nl) | 1981-09-01 | 1981-09-01 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA825789B true ZA825789B (en) | 1983-06-29 |
Family
ID=19837995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA825789A ZA825789B (en) | 1981-09-01 | 1982-08-10 | Process for the preparation of urea |
Country Status (15)
| Country | Link |
|---|---|
| EP (1) | EP0086804A1 (xx) |
| JP (1) | JPS58501374A (xx) |
| KR (1) | KR840001132A (xx) |
| BR (1) | BR8207840A (xx) |
| DD (1) | DD204250A5 (xx) |
| ES (1) | ES8306104A1 (xx) |
| GB (1) | GB2107704A (xx) |
| GR (1) | GR76909B (xx) |
| IT (1) | IT1149070B (xx) |
| NL (1) | NL8104039A (xx) |
| NO (1) | NO831532L (xx) |
| OA (1) | OA07201A (xx) |
| PL (1) | PL238093A1 (xx) |
| WO (1) | WO1983000861A1 (xx) |
| ZA (1) | ZA825789B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303424A (nl) * | 1983-10-06 | 1985-05-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| IT1290423B1 (it) * | 1996-10-17 | 1998-12-03 | Eurotecnica Contractors And En | Procedimento per la sintesi di urea da anidride carbonica e ammoniaca |
| RU2529462C1 (ru) * | 2013-05-15 | 2014-09-27 | Открытое акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (ОАО "НИИК") | Способ получения карбамида |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1147734A (en) * | 1966-03-29 | 1969-04-02 | Sumitomo Chemical Co | Method for the preparation of urea |
| CH468356A (de) * | 1966-04-05 | 1969-02-15 | Inventa Ag | Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches |
| NL168506C (nl) * | 1970-12-31 | 1982-04-16 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
| BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
| NL7307036A (xx) * | 1973-05-21 | 1974-11-25 |
-
1981
- 1981-09-01 NL NL8104039A patent/NL8104039A/nl not_active Application Discontinuation
-
1982
- 1982-08-10 ZA ZA825789A patent/ZA825789B/xx unknown
- 1982-08-30 IT IT49046/82A patent/IT1149070B/it active
- 1982-08-30 GR GR69157A patent/GR76909B/el unknown
- 1982-08-30 DD DD82242880A patent/DD204250A5/de unknown
- 1982-08-31 ES ES515378A patent/ES8306104A1/es not_active Expired
- 1982-08-31 EP EP82902529A patent/EP0086804A1/en not_active Withdrawn
- 1982-08-31 JP JP57502599A patent/JPS58501374A/ja active Pending
- 1982-08-31 PL PL23809382A patent/PL238093A1/xx unknown
- 1982-08-31 BR BR8207840A patent/BR8207840A/pt unknown
- 1982-08-31 KR KR1019820003930A patent/KR840001132A/ko unknown
- 1982-08-31 WO PCT/EP1982/000187 patent/WO1983000861A1/en not_active Application Discontinuation
- 1982-09-01 OA OA57793A patent/OA07201A/xx unknown
- 1982-09-01 GB GB08224952A patent/GB2107704A/en not_active Withdrawn
-
1983
- 1983-04-29 NO NO831532A patent/NO831532L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| OA07201A (fr) | 1984-04-30 |
| JPS58501374A (ja) | 1983-08-18 |
| GB2107704A (en) | 1983-05-05 |
| BR8207840A (pt) | 1983-09-06 |
| GR76909B (xx) | 1984-09-04 |
| KR840001132A (ko) | 1984-03-28 |
| NO831532L (no) | 1983-04-29 |
| NL8104039A (nl) | 1983-04-05 |
| EP0086804A1 (en) | 1983-08-31 |
| ES515378A0 (es) | 1983-05-01 |
| WO1983000861A1 (en) | 1983-03-17 |
| IT8249046A0 (it) | 1982-08-30 |
| IT1149070B (it) | 1986-12-03 |
| PL238093A1 (en) | 1983-03-28 |
| ES8306104A1 (es) | 1983-05-01 |
| DD204250A5 (de) | 1983-11-23 |
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