IT8249046A0 - PROCEDURE FOR THE PREPARATION OF UREA - Google Patents
PROCEDURE FOR THE PREPARATION OF UREAInfo
- Publication number
- IT8249046A0 IT8249046A0 IT8249046A IT4904682A IT8249046A0 IT 8249046 A0 IT8249046 A0 IT 8249046A0 IT 8249046 A IT8249046 A IT 8249046A IT 4904682 A IT4904682 A IT 4904682A IT 8249046 A0 IT8249046 A0 IT 8249046A0
- Authority
- IT
- Italy
- Prior art keywords
- urea
- procedure
- preparation
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
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
- C07C273/08—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
-
- 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)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8104039A NL8104039A (en) | 1981-09-01 | 1981-09-01 | METHOD FOR THE PREPARATION OF UREA. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8249046A0 true IT8249046A0 (en) | 1982-08-30 |
| IT1149070B IT1149070B (en) | 1986-12-03 |
Family
ID=19837995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT49046/82A IT1149070B (en) | 1981-09-01 | 1982-08-30 | PROCEDURE FOR THE PREPARATION OF UREA |
Country Status (15)
| Country | Link |
|---|---|
| EP (1) | EP0086804A1 (en) |
| JP (1) | JPS58501374A (en) |
| KR (1) | KR840001132A (en) |
| BR (1) | BR8207840A (en) |
| DD (1) | DD204250A5 (en) |
| ES (1) | ES8306104A1 (en) |
| GB (1) | GB2107704A (en) |
| GR (1) | GR76909B (en) |
| IT (1) | IT1149070B (en) |
| NL (1) | NL8104039A (en) |
| NO (1) | NO831532L (en) |
| OA (1) | OA07201A (en) |
| PL (1) | PL238093A1 (en) |
| WO (1) | WO1983000861A1 (en) |
| ZA (1) | ZA825789B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303424A (en) * | 1983-10-06 | 1985-05-01 | Unie Van Kunstmestfab Bv | METHOD FOR THE PREPARATION OF UREA. |
| IT1290423B1 (en) * | 1996-10-17 | 1998-12-03 | Eurotecnica Contractors And En | PROCEDURE FOR THE SYNTHESIS OF UREA FROM CARBON DIOXIDE AND AMMONIA |
| RU2529462C1 (en) * | 2013-05-15 | 2014-09-27 | Открытое акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (ОАО "НИИК") | Method of producing carbamide |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1618867A1 (en) * | 1966-03-29 | 1972-03-30 | Sumitomo Chemical Co | Process for the production of urea |
| CH468356A (en) * | 1966-04-05 | 1969-02-15 | Inventa Ag | Process for working up the synthesis mixture obtained in the synthesis of urea from ammonia and carbon dioxide in a synthesis reactor at elevated pressure and elevated temperature |
| NL168506C (en) * | 1970-12-31 | 1982-04-16 | Stamicarbon | METHOD FOR THE PREPARATION OF UREA. |
| BE787832A (en) * | 1971-09-02 | 1973-02-22 | Stamicarbon | PROCESS FOR THE PREPARATION OF UREA |
| NL7307036A (en) * | 1973-05-21 | 1974-11-25 |
-
1981
- 1981-09-01 NL NL8104039A patent/NL8104039A/en not_active Application Discontinuation
-
1982
- 1982-08-10 ZA ZA825789A patent/ZA825789B/en unknown
- 1982-08-30 GR GR69157A patent/GR76909B/el unknown
- 1982-08-30 IT IT49046/82A patent/IT1149070B/en active
- 1982-08-30 DD DD82242880A patent/DD204250A5/en unknown
- 1982-08-31 WO PCT/EP1982/000187 patent/WO1983000861A1/en not_active Application Discontinuation
- 1982-08-31 JP JP57502599A patent/JPS58501374A/en active Pending
- 1982-08-31 PL PL23809382A patent/PL238093A1/en unknown
- 1982-08-31 EP EP82902529A patent/EP0086804A1/en not_active Withdrawn
- 1982-08-31 ES ES515378A patent/ES8306104A1/en not_active Expired
- 1982-08-31 BR BR8207840A patent/BR8207840A/en unknown
- 1982-08-31 KR KR1019820003930A patent/KR840001132A/en unknown
- 1982-09-01 GB GB08224952A patent/GB2107704A/en not_active Withdrawn
- 1982-09-01 OA OA57793A patent/OA07201A/en unknown
-
1983
- 1983-04-29 NO NO831532A patent/NO831532L/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2107704A (en) | 1983-05-05 |
| IT1149070B (en) | 1986-12-03 |
| DD204250A5 (en) | 1983-11-23 |
| BR8207840A (en) | 1983-09-06 |
| EP0086804A1 (en) | 1983-08-31 |
| ES515378A0 (en) | 1983-05-01 |
| JPS58501374A (en) | 1983-08-18 |
| NL8104039A (en) | 1983-04-05 |
| ZA825789B (en) | 1983-06-29 |
| KR840001132A (en) | 1984-03-28 |
| NO831532L (en) | 1983-04-29 |
| GR76909B (en) | 1984-09-04 |
| WO1983000861A1 (en) | 1983-03-17 |
| OA07201A (en) | 1984-04-30 |
| ES8306104A1 (en) | 1983-05-01 |
| PL238093A1 (en) | 1983-03-28 |
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