DE2165711B2 - Verfahren zu der herstellung von harnstoff - Google Patents
Verfahren zu der herstellung von harnstoffInfo
- Publication number
- DE2165711B2 DE2165711B2 DE19712165711 DE2165711A DE2165711B2 DE 2165711 B2 DE2165711 B2 DE 2165711B2 DE 19712165711 DE19712165711 DE 19712165711 DE 2165711 A DE2165711 A DE 2165711A DE 2165711 B2 DE2165711 B2 DE 2165711B2
- Authority
- DE
- Germany
- Prior art keywords
- urea
- manufacturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7019056,A NL168506C (nl) | 1970-12-31 | 1970-12-31 | Werkwijze voor de bereiding van ureum. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2165711A1 DE2165711A1 (de) | 1972-07-06 |
| DE2165711B2 true DE2165711B2 (de) | 1973-06-28 |
| DE2165711C3 DE2165711C3 (de) | 1974-01-31 |
Family
ID=19811940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2165711A Expired DE2165711C3 (de) | 1970-12-31 | 1971-12-30 | Verfahren zu der Herstellung von Harnstoff |
Country Status (23)
| Country | Link |
|---|---|
| US (1) | US3867442A (de) |
| JP (1) | JPS511691B1 (de) |
| AT (1) | AT319965B (de) |
| BE (1) | BE777470A (de) |
| BG (1) | BG26665A3 (de) |
| BR (1) | BR7108671D0 (de) |
| CA (1) | CA973564A (de) |
| CS (1) | CS171245B2 (de) |
| DE (1) | DE2165711C3 (de) |
| ES (1) | ES398493A1 (de) |
| FI (1) | FI54914C (de) |
| FR (1) | FR2121068A5 (de) |
| GB (1) | GB1365707A (de) |
| HU (1) | HU168681B (de) |
| IT (1) | IT945737B (de) |
| NL (1) | NL168506C (de) |
| NO (1) | NO135246C (de) |
| PL (1) | PL90701B1 (de) |
| RO (1) | RO63722A (de) |
| SE (1) | SE420719B (de) |
| SU (1) | SU651692A3 (de) |
| YU (1) | YU39704B (de) |
| ZA (1) | ZA718580B (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4092358A (en) * | 1968-09-03 | 1978-05-30 | Snamprogetti S.P.A. | Process for the production of urea having a low carbamate content |
| BE790015A (fr) * | 1971-10-19 | 1973-04-12 | Mavrovic Ivo | Synthese de l'uree avec conversion et recuperation de chaleur ameliorees |
| CA1017535A (en) * | 1974-03-29 | 1977-09-20 | Charles Vydra | Method and apparatus for the continuous condensation of a gaseous mixture of ammonia, carbon dioxide and water vapour |
| NL7612162A (nl) * | 1976-11-03 | 1978-05-08 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2. |
| BG35038A3 (en) * | 1977-05-05 | 1984-01-16 | Montedison Spa,It | Method and installation for synthesis of urea |
| JPS55119464A (en) * | 1979-03-09 | 1980-09-13 | Ee K Deyuaru Kk | Sealant coating device to screw thread of joint and valve |
| NL8101174A (nl) * | 1981-03-11 | 1982-10-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8104040A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8104039A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8201652A (nl) * | 1982-04-21 | 1983-11-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| WO1996020170A1 (en) * | 1994-12-23 | 1996-07-04 | Urea Casale S.A. | Process and plant for urea production with reaction spaces having differentiated yields |
| IT1275451B (it) † | 1995-06-30 | 1997-08-07 | Snam Progetti | Procedimento per la sintesi dell'urea comprendente due separate zone di reazione |
| JP3987607B2 (ja) * | 1996-10-07 | 2007-10-10 | 東洋エンジニアリング株式会社 | 改良された尿素合成方法および装置 |
| EP1491526A1 (de) * | 2003-06-27 | 2004-12-29 | Urea Casale S.A. | Verfahren und Anlage für die Herstellung von Harnstoff |
| US7238231B1 (en) * | 2006-11-16 | 2007-07-03 | Tronox Llc | Process for manufacturing zirconia-treated titanium dioxide pigments |
| DE102010009502A1 (de) * | 2010-02-26 | 2011-09-01 | Spawnt Private S.À.R.L. | Verfahren zur Herstellung von Harnstoff |
| CN110590605B (zh) * | 2019-10-11 | 2021-08-24 | 重庆化工职业学院 | 一种氨基甲酸甲酯的生产方法 |
| CN114733336A (zh) * | 2022-04-08 | 2022-07-12 | 华润电力(宁武)有限公司 | 一种防止尿素溶液输送管路堵塞的系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3310376A (en) * | 1963-09-09 | 1967-03-21 | Chemical Construction Corp | Process for combined production of ammonia and urea |
| US3406201A (en) * | 1965-06-18 | 1968-10-15 | Exxon Research Engineering Co | Urea synthesis |
| US3503970A (en) * | 1967-07-19 | 1970-03-31 | Mitsui Toatsu Chemicals | Integrated process for producing urea and melamine |
-
1970
- 1970-12-31 NL NLAANVRAGE7019056,A patent/NL168506C/xx not_active IP Right Cessation
-
1971
- 1971-12-22 ZA ZA718580A patent/ZA718580B/xx unknown
- 1971-12-28 JP JP47003828A patent/JPS511691B1/ja active Pending
- 1971-12-28 US US213115A patent/US3867442A/en not_active Expired - Lifetime
- 1971-12-28 SU SU711731621A patent/SU651692A3/ru active
- 1971-12-29 AT AT1121671A patent/AT319965B/de not_active IP Right Cessation
- 1971-12-29 HU HUSA2297A patent/HU168681B/hu unknown
- 1971-12-29 FR FR7147281A patent/FR2121068A5/fr not_active Expired
- 1971-12-29 BE BE777470A patent/BE777470A/xx not_active IP Right Cessation
- 1971-12-29 CA CA131,228A patent/CA973564A/en not_active Expired
- 1971-12-29 NO NO4930/71A patent/NO135246C/no unknown
- 1971-12-29 GB GB6034371A patent/GB1365707A/en not_active Expired
- 1971-12-29 PL PL1971152555A patent/PL90701B1/pl unknown
- 1971-12-30 SE SE7116946A patent/SE420719B/xx unknown
- 1971-12-30 ES ES398493A patent/ES398493A1/es not_active Expired
- 1971-12-30 IT IT55121/71A patent/IT945737B/it active
- 1971-12-30 DE DE2165711A patent/DE2165711C3/de not_active Expired
- 1971-12-30 RO RO7100069266A patent/RO63722A/ro unknown
- 1971-12-30 CS CS9139A patent/CS171245B2/cs unknown
- 1971-12-30 BR BR8671/71A patent/BR7108671D0/pt unknown
- 1971-12-31 YU YU3326/71A patent/YU39704B/xx unknown
- 1971-12-31 FI FI3764/71A patent/FI54914C/fi active
- 1971-12-31 BG BG7119391A patent/BG26665A3/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU3730171A (en) | 1973-06-28 |
| US3867442A (en) | 1975-02-18 |
| CA973564A (en) | 1975-08-26 |
| IT945737B (it) | 1973-05-10 |
| FR2121068A5 (de) | 1972-08-18 |
| YU332671A (en) | 1982-02-28 |
| YU39704B (en) | 1985-04-30 |
| ZA718580B (en) | 1972-09-27 |
| GB1365707A (en) | 1974-09-04 |
| NL168506B (nl) | 1981-11-16 |
| SE420719B (sv) | 1981-10-26 |
| DE2165711A1 (de) | 1972-07-06 |
| BE777470A (fr) | 1972-06-29 |
| NO135246C (de) | 1977-03-09 |
| NL168506C (nl) | 1982-04-16 |
| SU651692A3 (ru) | 1979-03-05 |
| NL7019056A (de) | 1972-07-04 |
| DE2165711C3 (de) | 1974-01-31 |
| AT319965B (de) | 1975-01-27 |
| HU168681B (de) | 1976-06-28 |
| JPS511691B1 (de) | 1976-01-20 |
| PL90701B1 (de) | 1977-01-31 |
| CS171245B2 (de) | 1976-10-29 |
| ES398493A1 (es) | 1974-08-16 |
| FI54914B (fi) | 1978-12-29 |
| RO63722A (fr) | 1978-12-15 |
| FI54914C (fi) | 1979-04-10 |
| NO135246B (de) | 1976-11-29 |
| BR7108671D0 (pt) | 1973-05-15 |
| BG26665A3 (de) | 1979-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2165711B2 (de) | Verfahren zu der herstellung von harnstoff | |
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| AT318648B (de) | Verfahren zur Herstellung von Harnstoff | |
| AT283379B (de) | Verfahren zu der Herstellung von Melamin aus Harnstoff | |
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| CH547263A (de) | Integriertes verfahren zu der herstellung von harnstoff und melamin. | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |