CH486428A - Procédé de production d'urée - Google Patents
Procédé de production d'uréeInfo
- Publication number
- CH486428A CH486428A CH646968A CH646968A CH486428A CH 486428 A CH486428 A CH 486428A CH 646968 A CH646968 A CH 646968A CH 646968 A CH646968 A CH 646968A CH 486428 A CH486428 A CH 486428A
- Authority
- CH
- Switzerland
- Prior art keywords
- production process
- urea production
- urea
- production
- 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
-
- 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
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1240968 | 1968-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH486428A true CH486428A (fr) | 1970-02-28 |
Family
ID=11139817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH646968A CH486428A (fr) | 1968-02-06 | 1968-04-30 | Procédé de production d'urée |
Country Status (14)
| Country | Link |
|---|---|
| AT (1) | AT284138B (fr) |
| BE (1) | BE714519A (fr) |
| CA (1) | CA923142A (fr) |
| CH (1) | CH486428A (fr) |
| CS (1) | CS159227B2 (fr) |
| DK (1) | DK119604B (fr) |
| ES (1) | ES358903A1 (fr) |
| FR (1) | FR1560985A (fr) |
| GB (1) | GB1188051A (fr) |
| IE (1) | IE31898B1 (fr) |
| LU (1) | LU55998A1 (fr) |
| NL (1) | NL162370C (fr) |
| NO (1) | NO129250B (fr) |
| YU (1) | YU33003B (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3954861A (en) * | 1968-02-05 | 1976-05-04 | Snamprogetti S.P.A | Process for producing urea |
| NL7307036A (fr) * | 1973-05-21 | 1974-11-25 | ||
| NO150512C (no) * | 1977-05-05 | 1984-10-31 | Montedison Spa | Fremgangsmaate ved fremstilling av urea. |
| NL8101174A (nl) * | 1981-03-11 | 1982-10-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| EP2123633A1 (fr) * | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Procédé de fabrication d'urée à partir d'ammoniac et de dioxyde de carbone |
| EP2286909A1 (fr) | 2009-08-17 | 2011-02-23 | Stamicarbon B.V. | Appareil pour la décomposition de carbamate d'ammonium non converti dans des solutions d'urée dans un procédé de synthèse d'urée |
| EP3233792B1 (fr) | 2014-12-18 | 2019-09-04 | Stamicarbon B.V. | Procédé de production d'urée |
-
1968
- 1968-04-18 AT AT380168A patent/AT284138B/de not_active IP Right Cessation
- 1968-04-19 YU YU945/68A patent/YU33003B/xx unknown
- 1968-04-19 DK DK178068AA patent/DK119604B/da not_active IP Right Cessation
- 1968-04-25 CS CS308068A patent/CS159227B2/cs unknown
- 1968-04-29 LU LU55998D patent/LU55998A1/xx unknown
- 1968-04-29 FR FR1560985D patent/FR1560985A/fr not_active Expired
- 1968-04-30 BE BE714519D patent/BE714519A/xx not_active IP Right Cessation
- 1968-04-30 CH CH646968A patent/CH486428A/fr not_active IP Right Cessation
- 1968-05-01 GB GB20720/68A patent/GB1188051A/en not_active Expired
- 1968-05-01 NL NL6806170.A patent/NL162370C/xx not_active IP Right Cessation
- 1968-05-03 NO NO01723/68A patent/NO129250B/no unknown
- 1968-05-07 IE IE533/68A patent/IE31898B1/xx unknown
- 1968-09-27 ES ES358903A patent/ES358903A1/es not_active Expired
-
1969
- 1969-01-09 CA CA039707A patent/CA923142A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1768248A1 (de) | 1972-03-30 |
| DE1768248B2 (de) | 1973-02-01 |
| CA923142A (en) | 1973-03-20 |
| IE31898B1 (en) | 1973-02-07 |
| AT284138B (de) | 1970-09-10 |
| CS159227B2 (fr) | 1974-12-27 |
| DK119604B (da) | 1971-02-01 |
| GB1188051A (en) | 1970-04-15 |
| NL6806170A (fr) | 1969-08-08 |
| LU55998A1 (fr) | 1968-07-12 |
| IE31898L (en) | 1969-08-06 |
| YU33003B (en) | 1976-03-31 |
| BE714519A (fr) | 1968-09-30 |
| YU94568A (en) | 1975-08-31 |
| NL162370C (nl) | 1980-05-16 |
| ES358903A1 (es) | 1970-05-16 |
| NO129250B (fr) | 1974-03-18 |
| FR1560985A (fr) | 1969-03-21 |
| NL162370B (nl) | 1979-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |