CH551386A - Procede de fabrication d'uree. - Google Patents
Procede de fabrication d'uree.Info
- Publication number
- CH551386A CH551386A CH487271A CH487271A CH551386A CH 551386 A CH551386 A CH 551386A CH 487271 A CH487271 A CH 487271A CH 487271 A CH487271 A CH 487271A CH 551386 A CH551386 A CH 551386A
- Authority
- CH
- Switzerland
- Prior art keywords
- manufacturing process
- urea manufacturing
- urea
- manufacturing
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2280470 | 1970-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH551386A true CH551386A (fr) | 1974-07-15 |
Family
ID=11200606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH487271A CH551386A (fr) | 1970-04-02 | 1971-04-02 | Procede de fabrication d'uree. |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPS5529066B1 (fr) |
| AT (1) | AT317910B (fr) |
| BE (1) | BE765031A (fr) |
| BR (1) | BR7101989D0 (fr) |
| CH (1) | CH551386A (fr) |
| CS (1) | CS182213B2 (fr) |
| DE (1) | DE2116267C3 (fr) |
| DK (1) | DK139815B (fr) |
| EG (1) | EG10651A (fr) |
| ES (1) | ES390189A1 (fr) |
| FR (1) | FR2092554A5 (fr) |
| GB (1) | GB1341497A (fr) |
| HU (1) | HU164316B (fr) |
| IE (1) | IE35308B1 (fr) |
| IL (1) | IL36465A (fr) |
| LU (1) | LU62905A1 (fr) |
| NL (1) | NL171703C (fr) |
| NO (1) | NO140055C (fr) |
| RO (1) | RO63099A (fr) |
| SE (1) | SE403370B (fr) |
| TR (1) | TR16951A (fr) |
| YU (1) | YU35755B (fr) |
| ZA (1) | ZA712018B (fr) |
| ZM (1) | ZM4671A1 (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
| JPS5811432B2 (ja) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | 尿素合成法 |
| JPS57128669A (en) * | 1981-02-03 | 1982-08-10 | Toyo Eng Corp | Improvement of urea preparation process |
| DE3364579D1 (en) * | 1982-06-03 | 1986-08-28 | Montedison Spa | Method for avoiding the corrosion of strippers in urea manufacturing plants |
| IT1209532B (it) * | 1984-04-20 | 1989-08-30 | Snam Progetti | Processo per la sintesi di urea e materiale utilizzato nello stesso. |
| CH679485A5 (fr) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
| ITMI20071029A1 (it) * | 2007-05-22 | 2008-11-23 | Snam Progetti | Procedimento migliorato per la sintesi di urea |
| ITMI20120013A1 (it) | 2012-01-09 | 2013-07-10 | Saipem Spa | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
| WO2014192823A1 (fr) | 2013-05-28 | 2014-12-04 | 東洋エンジニアリング株式会社 | Procédé de synthèse d'urée |
-
1971
- 1971-03-22 IL IL36465A patent/IL36465A/xx unknown
- 1971-03-22 EG EG123/71A patent/EG10651A/xx active
- 1971-03-29 ZA ZA712018A patent/ZA712018B/xx unknown
- 1971-03-29 IE IE396/71A patent/IE35308B1/xx unknown
- 1971-03-30 CS CS7100002290A patent/CS182213B2/cs unknown
- 1971-03-30 TR TR16951A patent/TR16951A/xx unknown
- 1971-03-31 ES ES390189A patent/ES390189A1/es not_active Expired
- 1971-03-31 HU HUSA2184A patent/HU164316B/hu unknown
- 1971-03-31 FR FR7111263A patent/FR2092554A5/fr not_active Expired
- 1971-03-31 BE BE765031A patent/BE765031A/fr not_active IP Right Cessation
- 1971-04-01 JP JP1927171A patent/JPS5529066B1/ja active Pending
- 1971-04-01 DK DK156971AA patent/DK139815B/da not_active IP Right Cessation
- 1971-04-01 YU YU813/71A patent/YU35755B/xx unknown
- 1971-04-01 NO NO1244/71A patent/NO140055C/no unknown
- 1971-04-01 LU LU62905D patent/LU62905A1/xx unknown
- 1971-04-02 DE DE2116267A patent/DE2116267C3/de not_active Expired
- 1971-04-02 SE SE7104354A patent/SE403370B/xx unknown
- 1971-04-02 RO RO7100066459A patent/RO63099A/fr unknown
- 1971-04-02 BR BR1989/71A patent/BR7101989D0/pt unknown
- 1971-04-02 NL NLAANVRAGE7104428,A patent/NL171703C/xx not_active IP Right Cessation
- 1971-04-02 AT AT284671A patent/AT317910B/de not_active IP Right Cessation
- 1971-04-02 ZM ZM46/71A patent/ZM4671A1/xx unknown
- 1971-04-02 CH CH487271A patent/CH551386A/fr not_active IP Right Cessation
- 1971-04-19 GB GB2597771*A patent/GB1341497A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK139815B (da) | 1979-04-23 |
| ES390189A1 (es) | 1973-07-01 |
| BR7101989D0 (pt) | 1973-02-22 |
| EG10651A (en) | 1977-10-31 |
| DE2116267C3 (de) | 1980-04-24 |
| ZM4671A1 (en) | 1971-12-22 |
| IL36465A0 (en) | 1971-05-26 |
| IE35308B1 (en) | 1976-01-07 |
| YU81371A (en) | 1980-10-31 |
| DE2116267A1 (de) | 1971-10-14 |
| CS182213B2 (en) | 1978-04-28 |
| FR2092554A5 (fr) | 1972-01-21 |
| NO140055C (no) | 1980-10-29 |
| ZA712018B (en) | 1971-12-29 |
| DK139815C (fr) | 1979-10-01 |
| NO140055B (no) | 1979-03-19 |
| IL36465A (en) | 1974-07-31 |
| NL171703C (nl) | 1985-02-18 |
| JPS5529066B1 (fr) | 1980-07-31 |
| BE765031A (fr) | 1971-08-16 |
| NL171703B (nl) | 1982-12-01 |
| HU164316B (fr) | 1974-01-28 |
| RO63099A (fr) | 1978-09-15 |
| IE35308L (en) | 1971-10-02 |
| LU62905A1 (fr) | 1971-08-26 |
| NL7104428A (fr) | 1971-10-05 |
| SE403370B (sv) | 1978-08-14 |
| GB1341497A (en) | 1973-12-19 |
| YU35755B (en) | 1981-06-30 |
| AT317910B (de) | 1974-09-25 |
| DE2116267B2 (de) | 1974-05-16 |
| TR16951A (tr) | 1974-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |