CH357387A - Verfahren und Apparatur zur Herstellung von Harnstoff - Google Patents
Verfahren und Apparatur zur Herstellung von HarnstoffInfo
- Publication number
- CH357387A CH357387A CH357387DA CH357387A CH 357387 A CH357387 A CH 357387A CH 357387D A CH357387D A CH 357387DA CH 357387 A CH357387 A CH 357387A
- Authority
- CH
- Switzerland
- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH844110X | 1957-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH357387A true CH357387A (de) | 1961-10-15 |
Family
ID=4541631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH357387D CH357387A (de) | 1957-07-25 | 1957-07-25 | Verfahren und Apparatur zur Herstellung von Harnstoff |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3024280A (de) |
| CH (1) | CH357387A (de) |
| DE (1) | DE1079029B (de) |
| FR (1) | FR1208574A (de) |
| GB (1) | GB844110A (de) |
| NL (1) | NL228400A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3544628A (en) * | 1965-09-20 | 1970-12-01 | Pullman Inc | Urea synthesis |
| US3455978A (en) * | 1966-09-19 | 1969-07-15 | Union Carbide Corp | Process for producing trialkoxyaluminum compounds |
| US4098579A (en) * | 1977-03-03 | 1978-07-04 | Instytut Nawozow Sztucznych Zjednoczenie "Petrochemia" | Installation for conducting a synthesis reaction of urea |
| CA2136865A1 (en) * | 1992-05-29 | 1993-12-09 | Daniel A. Truax | Foamed asphalt with modifiers: method and apparatus |
| US5767313A (en) * | 1995-05-23 | 1998-06-16 | Dsm N.V. | Method for the preparation of urea |
| DE19634450A1 (de) * | 1996-08-26 | 1998-03-05 | Basf Ag | Vorrichtung zur kontinuierlichen Durchführung chemischer Reaktionen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE522822A (de) * | ||||
| US2575855A (en) * | 1944-07-22 | 1951-11-20 | Commerical Solvents Corp | Contact tower reactor for vapor phase nitration |
| NL67175C (de) * | 1947-07-24 | 1950-08-15 | Ammoniaque Synthetique & Deriv |
-
0
- NL NL228400D patent/NL228400A/xx unknown
-
1957
- 1957-07-25 CH CH357387D patent/CH357387A/de unknown
-
1958
- 1958-05-14 US US735209A patent/US3024280A/en not_active Expired - Lifetime
- 1958-05-23 GB GB16651/58A patent/GB844110A/en not_active Expired
- 1958-06-10 DE DEI14956A patent/DE1079029B/de active Pending
- 1958-06-24 FR FR1208574D patent/FR1208574A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB844110A (en) | 1960-08-10 |
| NL228400A (de) | 1900-01-01 |
| FR1208574A (fr) | 1960-02-24 |
| DE1079029B (de) | 1960-04-07 |
| US3024280A (en) | 1962-03-06 |
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