DK139815B - Process for the production of urea. - Google Patents
Process for the production of urea.Info
- Publication number
- DK139815B DK139815B DK156971AA DK156971A DK139815B DK 139815 B DK139815 B DK 139815B DK 156971A A DK156971A A DK 156971AA DK 156971 A DK156971 A DK 156971A DK 139815 B DK139815 B DK 139815B
- Authority
- DK
- Denmark
- Prior art keywords
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2280470 | 1970-04-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK139815B true DK139815B (en) | 1979-04-23 |
| DK139815C DK139815C (en) | 1979-10-01 |
Family
ID=11200606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK156971AA DK139815B (en) | 1970-04-02 | 1971-04-01 | Process for the production of urea. |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPS5529066B1 (en) |
| AT (1) | AT317910B (en) |
| BE (1) | BE765031A (en) |
| BR (1) | BR7101989D0 (en) |
| CH (1) | CH551386A (en) |
| CS (1) | CS182213B2 (en) |
| DE (1) | DE2116267C3 (en) |
| DK (1) | DK139815B (en) |
| EG (1) | EG10651A (en) |
| ES (1) | ES390189A1 (en) |
| FR (1) | FR2092554A5 (en) |
| GB (1) | GB1341497A (en) |
| HU (1) | HU164316B (en) |
| IE (1) | IE35308B1 (en) |
| IL (1) | IL36465A (en) |
| LU (1) | LU62905A1 (en) |
| NL (1) | NL171703C (en) |
| NO (1) | NO140055C (en) |
| RO (1) | RO63099A (en) |
| SE (1) | SE403370B (en) |
| TR (1) | TR16951A (en) |
| YU (1) | YU35755B (en) |
| ZA (1) | ZA712018B (en) |
| ZM (1) | ZM4671A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE787832A (en) * | 1971-09-02 | 1973-02-22 | Stamicarbon | PROCESS FOR THE PREPARATION OF UREA |
| JPS5811432B2 (en) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | Urea synthesis method |
| 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 (en) * | 1984-04-20 | 1989-08-30 | Snam Progetti | PROCESS FOR THE SYNTHESIS OF UREA AND MATERIAL USED IN ITSELF. |
| CH679485A5 (en) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
| ITMI20071029A1 (en) | 2007-05-22 | 2008-11-23 | Snam Progetti | IMPROVED PROCEDURE FOR THE SYNTHESIS OF UREA |
| ITMI20120013A1 (en) | 2012-01-09 | 2013-07-10 | Saipem Spa | PROCEDURE FOR THE SYNTHESIS OF UREA INCLUDING A STRIPPER FUND OF PASSIVATION |
| GB2530447B (en) | 2013-05-28 | 2020-02-26 | Toyo Engineering Corp | Urea synthesis method |
-
1971
- 1971-03-22 IL IL36465A patent/IL36465A/en unknown
- 1971-03-22 EG EG123/71A patent/EG10651A/en active
- 1971-03-29 ZA ZA712018A patent/ZA712018B/en unknown
- 1971-03-29 IE IE396/71A patent/IE35308B1/en unknown
- 1971-03-30 CS CS7100002290A patent/CS182213B2/en unknown
- 1971-03-30 TR TR16951A patent/TR16951A/en unknown
- 1971-03-31 HU HUSA2184A patent/HU164316B/hu unknown
- 1971-03-31 ES ES390189A patent/ES390189A1/en not_active Expired
- 1971-03-31 BE BE765031A patent/BE765031A/en not_active IP Right Cessation
- 1971-03-31 FR FR7111263A patent/FR2092554A5/fr not_active Expired
- 1971-04-01 NO NO1244/71A patent/NO140055C/en unknown
- 1971-04-01 YU YU813/71A patent/YU35755B/en unknown
- 1971-04-01 LU LU62905D patent/LU62905A1/xx unknown
- 1971-04-01 JP JP1927171A patent/JPS5529066B1/ja active Pending
- 1971-04-01 DK DK156971AA patent/DK139815B/en not_active IP Right Cessation
- 1971-04-02 RO RO7100066459A patent/RO63099A/en unknown
- 1971-04-02 AT AT284671A patent/AT317910B/en not_active IP Right Cessation
- 1971-04-02 ZM ZM46/71A patent/ZM4671A1/en unknown
- 1971-04-02 BR BR1989/71A patent/BR7101989D0/en unknown
- 1971-04-02 NL NLAANVRAGE7104428,A patent/NL171703C/en not_active IP Right Cessation
- 1971-04-02 DE DE2116267A patent/DE2116267C3/en not_active Expired
- 1971-04-02 CH CH487271A patent/CH551386A/en not_active IP Right Cessation
- 1971-04-02 SE SE7104354A patent/SE403370B/en unknown
- 1971-04-19 GB GB2597771*A patent/GB1341497A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK139815C (en) | 1979-10-01 |
| IE35308L (en) | 1971-10-02 |
| IL36465A0 (en) | 1971-05-26 |
| GB1341497A (en) | 1973-12-19 |
| SE403370B (en) | 1978-08-14 |
| DE2116267C3 (en) | 1980-04-24 |
| CS182213B2 (en) | 1978-04-28 |
| RO63099A (en) | 1978-09-15 |
| EG10651A (en) | 1977-10-31 |
| LU62905A1 (en) | 1971-08-26 |
| CH551386A (en) | 1974-07-15 |
| YU81371A (en) | 1980-10-31 |
| FR2092554A5 (en) | 1972-01-21 |
| ES390189A1 (en) | 1973-07-01 |
| AT317910B (en) | 1974-09-25 |
| ZA712018B (en) | 1971-12-29 |
| NO140055C (en) | 1980-10-29 |
| YU35755B (en) | 1981-06-30 |
| DE2116267A1 (en) | 1971-10-14 |
| TR16951A (en) | 1974-01-09 |
| NL171703B (en) | 1982-12-01 |
| NL7104428A (en) | 1971-10-05 |
| IE35308B1 (en) | 1976-01-07 |
| NO140055B (en) | 1979-03-19 |
| HU164316B (en) | 1974-01-28 |
| DE2116267B2 (en) | 1974-05-16 |
| BE765031A (en) | 1971-08-16 |
| ZM4671A1 (en) | 1971-12-22 |
| IL36465A (en) | 1974-07-31 |
| BR7101989D0 (en) | 1973-02-22 |
| NL171703C (en) | 1985-02-18 |
| JPS5529066B1 (en) | 1980-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |