NL77361C - - Google Patents
Info
- Publication number
- NL77361C NL77361C NL77361DC NL77361C NL 77361 C NL77361 C NL 77361C NL 77361D C NL77361D C NL 77361DC NL 77361 C NL77361 C NL 77361C
- 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)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL329362X | 1953-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL77361C true NL77361C (no) |
Family
ID=19784292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL77361D NL77361C (no) | 1953-04-15 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US2727069A (no) |
| BE (1) | BE527914A (no) |
| CH (1) | CH329362A (no) |
| CY (1) | CY266A (no) |
| DE (1) | DE953876C (no) |
| FR (1) | FR1098397A (no) |
| GB (1) | GB739876A (no) |
| MY (1) | MY6400004A (no) |
| NL (1) | NL77361C (no) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH326158A (de) * | 1954-05-17 | 1957-12-15 | Inventa Ag | Verfahren zur Herstellung von reinem Harnstoff |
| US3137724A (en) * | 1956-04-16 | 1964-06-16 | Lonza Electric & Chem Works | Process for the pressure synthesis of urea |
| US2999008A (en) * | 1957-03-20 | 1961-09-05 | Vulcan Cincinnati Inc | Purification of carbon dioxide for urea synthesis |
| NL300343A (no) * | 1963-05-29 | |||
| US3251843A (en) * | 1964-03-02 | 1966-05-17 | Nissan Chemical Ind Ltd | Melamine production improvement |
| US3488293A (en) * | 1964-10-16 | 1970-01-06 | Allied Chem | Prevention of corrosion due to urea fertilizer effluent |
| NL164328C (nl) * | 1970-04-02 | 1980-12-15 | Stamicarbon | Werkwijze voor het verhogen van de weerstand tegen cor- rosie van austenitische chroom-nikkelstalen, alsmede werkwijze voor de bereiding van ureum in apperatuur waarvan de weerstand tegen corrosie aldus is verhoogd. |
| EP0096151B1 (en) * | 1982-06-03 | 1986-07-23 | Montedison S.p.A. | Method for avoiding the corrosion of strippers in urea manufacturing plants |
| FR2570083B1 (fr) * | 1984-09-07 | 1989-09-29 | Creusot Loire | Elements metalliques utilisables dans les installations de synthese de l'uree |
| DE4424638A1 (de) * | 1994-07-13 | 1996-04-11 | Univ Dresden Tech | Verfahren zur Herstellung von oxidischen Korrosionsschutzschichten auf hoch chromlegierten Stählen |
| DE19544224B4 (de) * | 1995-11-28 | 2004-10-14 | Alstom | Chemische Fahrweise eines Wasser/Dampf-Kreislaufes |
| NL1014512C2 (nl) | 2000-02-28 | 2001-08-29 | Dsm Nv | Methode voor het lassen van duplex staal. |
| WO2003018861A1 (en) * | 2001-08-31 | 2003-03-06 | Dsm Ip Assets B.V. | Process for rendering metals corrosion resistant |
| EP2107051A1 (en) | 2008-04-02 | 2009-10-07 | DSM IP Assets B.V. | Process for inreasing the capacity of an existing urea plant |
| EP2123634A1 (en) | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Process for the production of urea from ammonia and carbon dioxide |
| EP2123633A1 (en) * | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Process for the production of urea from ammonia and carbon dioxide |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL138916C (no) * | 1900-01-01 | |||
| DE301751C (no) * | ||||
| BE491319A (no) * | 1946-11-15 | 1900-01-01 | ||
| NL148963C (no) * | 1947-06-27 | 1900-01-01 | ||
| US2680766A (en) * | 1951-03-23 | 1954-06-08 | Du Pont | Method of inhibiting corrosion in urea synthesis reactors |
-
0
- BE BE527914D patent/BE527914A/xx unknown
- NL NL77361D patent/NL77361C/xx active
-
1954
- 1954-04-09 US US422263A patent/US2727069A/en not_active Expired - Lifetime
- 1954-04-13 FR FR1098397D patent/FR1098397A/fr not_active Expired
- 1954-04-13 CH CH329362D patent/CH329362A/de unknown
- 1954-04-14 DE DEST8050A patent/DE953876C/de not_active Expired
- 1954-04-14 GB GB11048/54A patent/GB739876A/en not_active Expired
-
1963
- 1963-10-02 CY CY26663A patent/CY266A/xx unknown
-
1964
- 1964-12-31 MY MY19644A patent/MY6400004A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2727069A (en) | 1955-12-13 |
| FR1098397A (fr) | 1955-07-25 |
| DE953876C (de) | 1956-12-06 |
| MY6400004A (en) | 1964-12-31 |
| BE527914A (no) | |
| CY266A (en) | 1963-10-02 |
| GB739876A (en) | 1955-11-02 |
| CH329362A (de) | 1958-04-30 |