NL7104428A - - Google Patents
Info
- Publication number
- NL7104428A NL7104428A NL7104428A NL7104428A NL7104428A NL 7104428 A NL7104428 A NL 7104428A NL 7104428 A NL7104428 A NL 7104428A NL 7104428 A NL7104428 A NL 7104428A NL 7104428 A NL7104428 A NL 7104428A
- Authority
- NL
- Netherlands
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 (3)
| Publication Number | Publication Date |
|---|---|
| NL7104428A true NL7104428A (tr) | 1971-10-05 |
| NL171703B NL171703B (nl) | 1982-12-01 |
| NL171703C NL171703C (nl) | 1985-02-18 |
Family
ID=11200606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7104428,A NL171703C (nl) | 1970-04-02 | 1971-04-02 | Werkwijze voor de bereiding van ureum. |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPS5529066B1 (tr) |
| AT (1) | AT317910B (tr) |
| BE (1) | BE765031A (tr) |
| BR (1) | BR7101989D0 (tr) |
| CH (1) | CH551386A (tr) |
| CS (1) | CS182213B2 (tr) |
| DE (1) | DE2116267C3 (tr) |
| DK (1) | DK139815B (tr) |
| EG (1) | EG10651A (tr) |
| ES (1) | ES390189A1 (tr) |
| FR (1) | FR2092554A5 (tr) |
| GB (1) | GB1341497A (tr) |
| HU (1) | HU164316B (tr) |
| IE (1) | IE35308B1 (tr) |
| IL (1) | IL36465A (tr) |
| LU (1) | LU62905A1 (tr) |
| NL (1) | NL171703C (tr) |
| NO (1) | NO140055C (tr) |
| RO (1) | RO63099A (tr) |
| SE (1) | SE403370B (tr) |
| TR (1) | TR16951A (tr) |
| YU (1) | YU35755B (tr) |
| ZA (1) | ZA712018B (tr) |
| ZM (1) | ZM4671A1 (tr) |
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 |
| EP0096151B1 (en) * | 1982-06-03 | 1986-07-23 | Montedison S.p.A. | 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 (tr) * | 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 |
| JPWO2014192823A1 (ja) | 2013-05-28 | 2017-02-23 | 東洋エンジニアリング株式会社 | 尿素合成方法 |
-
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/tr unknown
- 1971-03-31 FR FR7111263A patent/FR2092554A5/fr not_active Expired
- 1971-03-31 HU HUSA2184A patent/HU164316B/hu unknown
- 1971-03-31 BE BE765031A patent/BE765031A/xx not_active IP Right Cessation
- 1971-03-31 ES ES390189A patent/ES390189A1/es not_active Expired
- 1971-04-01 LU LU62905D patent/LU62905A1/xx unknown
- 1971-04-01 YU YU813/71A patent/YU35755B/xx unknown
- 1971-04-01 JP JP1927171A patent/JPS5529066B1/ja active Pending
- 1971-04-01 NO NO1244/71A patent/NO140055C/no unknown
- 1971-04-01 DK DK156971AA patent/DK139815B/da not_active IP Right Cessation
- 1971-04-02 CH CH487271A patent/CH551386A/fr not_active IP Right Cessation
- 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 DE DE2116267A patent/DE2116267C3/de not_active Expired
- 1971-04-02 SE SE7104354A patent/SE403370B/xx unknown
- 1971-04-02 RO RO7100066459A patent/RO63099A/ro unknown
- 1971-04-02 ZM ZM46/71A patent/ZM4671A1/xx unknown
- 1971-04-02 AT AT284671A patent/AT317910B/de not_active IP Right Cessation
- 1971-04-19 GB GB2597771*A patent/GB1341497A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL36465A (en) | 1974-07-31 |
| ZA712018B (en) | 1971-12-29 |
| FR2092554A5 (tr) | 1972-01-21 |
| IL36465A0 (en) | 1971-05-26 |
| CH551386A (fr) | 1974-07-15 |
| DK139815B (da) | 1979-04-23 |
| JPS5529066B1 (tr) | 1980-07-31 |
| NO140055C (no) | 1980-10-29 |
| RO63099A (fr) | 1978-09-15 |
| CS182213B2 (en) | 1978-04-28 |
| YU81371A (en) | 1980-10-31 |
| BR7101989D0 (pt) | 1973-02-22 |
| ES390189A1 (es) | 1973-07-01 |
| AT317910B (de) | 1974-09-25 |
| DE2116267C3 (de) | 1980-04-24 |
| NL171703B (nl) | 1982-12-01 |
| HU164316B (tr) | 1974-01-28 |
| NO140055B (no) | 1979-03-19 |
| GB1341497A (en) | 1973-12-19 |
| IE35308L (en) | 1971-10-02 |
| BE765031A (fr) | 1971-08-16 |
| DE2116267A1 (de) | 1971-10-14 |
| SE403370B (sv) | 1978-08-14 |
| EG10651A (en) | 1977-10-31 |
| NL171703C (nl) | 1985-02-18 |
| TR16951A (tr) | 1974-01-09 |
| DE2116267B2 (de) | 1974-05-16 |
| IE35308B1 (en) | 1976-01-07 |
| DK139815C (tr) | 1979-10-01 |
| LU62905A1 (tr) | 1971-08-26 |
| YU35755B (en) | 1981-06-30 |
| ZM4671A1 (en) | 1971-12-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R1B | Notice of opposition during period of laying open | ||
| NP1G | Patent granted (not automatically) [patent specification modified] | ||
| V1 | Lapsed because of non-payment of the annual fee |