DE2143583C3 - Verfahren zur Herstellung von Harnstoff - Google Patents
Verfahren zur Herstellung von HarnstoffInfo
- Publication number
- DE2143583C3 DE2143583C3 DE2143583A DE2143583A DE2143583C3 DE 2143583 C3 DE2143583 C3 DE 2143583C3 DE 2143583 A DE2143583 A DE 2143583A DE 2143583 A DE2143583 A DE 2143583A DE 2143583 C3 DE2143583 C3 DE 2143583C3
- Authority
- DE
- Germany
- Prior art keywords
- ammonia
- urea
- synthesis
- solution
- carbamate
- 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.)
- Expired
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2929570 | 1970-09-03 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2143583A1 DE2143583A1 (de) | 1972-04-20 |
| DE2143583B2 DE2143583B2 (de) | 1974-12-12 |
| DE2143583C3 true DE2143583C3 (de) | 1981-10-15 |
Family
ID=11226704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2143583A Expired DE2143583C3 (de) | 1970-09-03 | 1971-08-31 | Verfahren zur Herstellung von Harnstoff |
Country Status (25)
| Country | Link |
|---|---|
| JP (1) | JPS5320013B1 (it) |
| AT (1) | AT332420B (it) |
| AU (1) | AU473454B2 (it) |
| BE (1) | BE771979A (it) |
| CA (1) | CA997369A (it) |
| CH (1) | CH551953A (it) |
| CS (1) | CS178090B2 (it) |
| DE (1) | DE2143583C3 (it) |
| DK (1) | DK138849B (it) |
| ES (1) | ES395094A1 (it) |
| FR (1) | FR2109719A5 (it) |
| GB (1) | GB1359715A (it) |
| HU (1) | HU171341B (it) |
| IE (1) | IE35705B1 (it) |
| LU (1) | LU63821A1 (it) |
| MY (1) | MY7700248A (it) |
| NL (1) | NL178250C (it) |
| NO (1) | NO139959C (it) |
| PH (1) | PH12569A (it) |
| PL (1) | PL94001B1 (it) |
| RO (1) | RO69642A (it) |
| SE (1) | SE409203B (it) |
| TR (1) | TR17294A (it) |
| YU (1) | YU35112B (it) |
| ZA (1) | ZA715560B (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO2617708T3 (it) * | 2012-01-17 | 2018-01-13 | ||
| US9428449B2 (en) * | 2013-01-16 | 2016-08-30 | Alstom Technology Ltd | Method of forming urea by integration of an ammonia production process in a urea production process and a system therefor |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT216006B (de) * | 1960-12-15 | 1961-07-10 | Stamicarbon | Verfahren zur Herstellung von Harnstoff |
| AT235305B (de) * | 1961-03-29 | 1964-08-25 | Montedison Spa | Verfahren zur Herstellung von Harnstoff |
| US3281464A (en) * | 1961-09-08 | 1966-10-25 | Lummus Co | Urea purification with recovery of ammonia and carbon dioxide |
| DE1468245A1 (de) * | 1962-02-28 | 1968-12-19 | Montedison Spa | Verfahren zur Rueckfuehrung von nicht umgesetztem Carbamat bei der Harnstoffsynthese aus Ammoniak und Kohlendioxyd |
| US3303215A (en) * | 1962-03-09 | 1967-02-07 | Toyo Koatsu Ind Inc | Synthesis of urea |
| NL137580B (it) * | 1962-03-22 | 1900-01-01 | ||
| AT244984B (de) * | 1962-03-22 | 1966-02-10 | Snam Spa | Verfahren zur Herstellung von Harnstoff aus Kohlendioxyd und Ammoniak |
| US3349126A (en) * | 1962-09-10 | 1967-10-24 | Pullman Inc | Integrated ammonia and urea process |
| NL127236C (it) * | 1964-05-29 | |||
| IL27267A (en) * | 1966-01-21 | 1970-10-30 | Montedison Spa | Process for the synthesis of urea from ammonia and carbon dioxide |
| NL148878B (nl) * | 1966-04-22 | 1976-03-15 | Stamicarbon | Werkwijze voor de continue bereiding van ureum. |
| NL144927C (nl) * | 1967-12-14 | 1980-10-15 | Snam Progetti | Werkwijze voor het continu bereiden van ureum. |
| NL153857B (nl) * | 1967-12-21 | 1977-07-15 | Stamicarbon | Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak. |
| NL159960C (nl) * | 1967-12-21 | 1979-09-17 | Stamicarbon | Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak. |
| JPS4832091B1 (it) * | 1968-02-12 | 1973-10-04 | ||
| BE758646A (fr) * | 1969-11-15 | 1971-04-16 | Snam Progetti | Procede de traitement des gaz de synthese de l'ammoniac |
-
1971
- 1971-07-20 PH PH12708A patent/PH12569A/en unknown
- 1971-07-22 GB GB3453971A patent/GB1359715A/en not_active Expired
- 1971-07-26 IE IE947/71A patent/IE35705B1/xx unknown
- 1971-07-28 CA CA119,361A patent/CA997369A/en not_active Expired
- 1971-07-28 RO RO7167829A patent/RO69642A/ro unknown
- 1971-07-29 YU YU1977/71A patent/YU35112B/xx unknown
- 1971-08-06 AU AU32091/71A patent/AU473454B2/en not_active Expired
- 1971-08-19 ZA ZA715560A patent/ZA715560B/xx unknown
- 1971-08-25 CS CS6089A patent/CS178090B2/cs unknown
- 1971-08-27 FR FR7131097A patent/FR2109719A5/fr not_active Expired
- 1971-08-30 ES ES395094A patent/ES395094A1/es not_active Expired
- 1971-08-31 DE DE2143583A patent/DE2143583C3/de not_active Expired
- 1971-08-31 BE BE771979A patent/BE771979A/xx not_active IP Right Cessation
- 1971-09-01 PL PL1971150295A patent/PL94001B1/pl unknown
- 1971-09-02 SE SE7111146A patent/SE409203B/sv unknown
- 1971-09-02 TR TR17294A patent/TR17294A/xx unknown
- 1971-09-02 HU HU71SA00002336A patent/HU171341B/hu unknown
- 1971-09-02 DK DK432371AA patent/DK138849B/da not_active IP Right Cessation
- 1971-09-02 LU LU63821D patent/LU63821A1/xx unknown
- 1971-09-03 NO NO3285/71A patent/NO139959C/no unknown
- 1971-09-03 CH CH1293871A patent/CH551953A/fr not_active IP Right Cessation
- 1971-09-03 NL NLAANVRAGE7112192,A patent/NL178250C/xx not_active IP Right Cessation
- 1971-09-03 JP JP7167538A patent/JPS5320013B1/ja active Pending
- 1971-09-03 AT AT771171A patent/AT332420B/de not_active IP Right Cessation
-
1977
- 1977-12-30 MY MY248/77A patent/MY7700248A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7112192A (it) | 1972-03-07 |
| BE771979A (fr) | 1971-12-31 |
| ES395094A1 (es) | 1974-01-16 |
| PH12569A (en) | 1979-06-20 |
| ZA715560B (en) | 1972-04-26 |
| NL178250C (nl) | 1986-02-17 |
| GB1359715A (en) | 1974-07-10 |
| NO139959C (no) | 1979-06-13 |
| RO69642A (ro) | 1982-05-10 |
| DK138849B (da) | 1978-11-06 |
| JPS5320013B1 (it) | 1978-06-24 |
| IE35705L (en) | 1972-03-03 |
| NL178250B (nl) | 1985-09-16 |
| IE35705B1 (en) | 1976-04-28 |
| ATA771171A (de) | 1976-01-15 |
| CA997369A (en) | 1976-09-21 |
| FR2109719A5 (it) | 1972-05-26 |
| TR17294A (tr) | 1975-03-24 |
| LU63821A1 (it) | 1972-01-11 |
| CH551953A (fr) | 1974-07-31 |
| NO139959B (no) | 1979-03-05 |
| MY7700248A (en) | 1977-12-31 |
| DE2143583B2 (de) | 1974-12-12 |
| DK138849C (it) | 1979-04-23 |
| YU35112B (en) | 1980-09-25 |
| AU3209171A (en) | 1973-02-08 |
| AT332420B (de) | 1976-09-27 |
| SE409203B (sv) | 1979-08-06 |
| PL94001B1 (it) | 1977-07-30 |
| HU171341B (hu) | 1977-12-28 |
| CS178090B2 (it) | 1977-08-31 |
| DE2143583A1 (de) | 1972-04-20 |
| AU473454B2 (en) | 1976-06-24 |
| YU197771A (en) | 1979-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8380 | Miscellaneous part iii |
Free format text: DER VERTRETER LAUTET RICHTIG: WUESTHOFF, F., DR.-ING. PECHMANN, E. FRHR. VON, DIPL.-CHEM. DR.RER.NAT BEHRENS, D., DR.-ING. GOETZ, R., DIPL.-ING. DIPL.-WIRTSCH.-ING., PAT.-ANW., 8000 MUENCHEN |
|
| 8381 | Inventor (new situation) |
Free format text: GUADALUPI, MARIO, DR. PAGANI, GIORGIO, DR., MILANO, IT ZARDI, UMBERTO, DR., SAN DONATO MILANESE, ITPARIS, IVO, DR., MELEGNANO, IT |
|
| 8339 | Ceased/non-payment of the annual fee |