BE567727A - - Google Patents
Info
- Publication number
- BE567727A BE567727A BE567727DA BE567727A BE 567727 A BE567727 A BE 567727A BE 567727D A BE567727D A BE 567727DA BE 567727 A BE567727 A BE 567727A
- Authority
- BE
- Belgium
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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/12—Separation of ammonia from gases and vapours
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL217419 | 1957-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE567727A true BE567727A (US06174465-20010116-C00003.png) |
Family
ID=19750890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE567727D BE567727A (US06174465-20010116-C00003.png) | 1957-05-18 |
Country Status (8)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1126856B (de) * | 1960-07-01 | 1962-04-05 | Basf Ag | Verfahren zur Rueckfuehrung der Abgase der Harnstoffsynthese |
| US3172911A (en) * | 1961-06-16 | 1965-03-09 | Urea synthesis process | |
| US3232984A (en) * | 1961-11-20 | 1966-02-01 | Pullman Inc | Low biuret urea |
| US3255246A (en) * | 1963-06-27 | 1966-06-07 | Du Pont | Synthesis and recovery of urea |
| US3390058A (en) * | 1964-06-08 | 1968-06-25 | Toyo Koatsu Ind Inc | Plural stage pressure distillation of urea synthesis effluent with liquified gas addition |
| US3530180A (en) * | 1966-09-15 | 1970-09-22 | Guido Giommi | Process for the manufacture of urea from ammonia and carbon dioxide |
| NL168196C (nl) * | 1976-11-03 | 1982-03-16 | Stamicarbon | Werkwijze voor het afscheiden van nh&013 en co&012 uit een mengsel van nh&013, co&012 en h&012o. |
| NL7804668A (nl) * | 1978-04-29 | 1979-10-31 | Stamicarbon | Werkwijze voor het scheiden van nh3 en co2 uit meng- sels van nh3 ,co2 en water. |
| NL8200905A (nl) * | 1982-03-05 | 1983-10-03 | Stamicarbon | Werkwijze voor het scheiden van ammoniak en kooldioxide uit mengsels van ammoniak, kooldioxide en water. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA535407A (en) * | 1957-01-08 | Chemical Construction Corporation | Treatment of unreacted ammonia in the manufacture of urea | |
| US2701262A (en) * | 1953-02-02 | 1955-02-01 | Chemical Construction Corp | Urea purification |
| US2894878A (en) * | 1953-03-25 | 1959-07-14 | Chemical Construction Corp | Recovery of carbon dioxide free ammonia in the production of urea |
| GB753386A (en) * | 1953-04-22 | 1956-07-25 | Chemical Construction Corp | Improvements in or relating to separation process of ammonia from synthesized urea liquid |
| US2807574A (en) * | 1953-10-21 | 1957-09-24 | Hirano Masao | Treatment of unreacted ammonia in the manufacture of urea |
| DE963420C (de) * | 1955-09-09 | 1957-05-09 | Basf Ag | Verfahren zur Herstellung einer biuretarmen Harnstoffschmelze |
-
0
- DE DENDAT1067014D patent/DE1067014B/de active Pending
- NL NL96384D patent/NL96384C/xx active
- BE BE567727D patent/BE567727A/xx unknown
- NL NL217419D patent/NL217419A/xx unknown
- LU LU36098D patent/LU36098A1/xx unknown
-
1958
- 1958-05-15 US US735408A patent/US3114681A/en not_active Expired - Lifetime
- 1958-05-16 CH CH5955158A patent/CH377800A/de unknown
- 1958-05-16 AU AU37859/58A patent/AU226148B1/en not_active Expired
- 1958-05-17 FR FR1206828D patent/FR1206828A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3114681A (en) | 1963-12-17 |
| DE1067014B (US06174465-20010116-C00003.png) | |
| FR1206828A (fr) | 1960-02-11 |
| NL217419A (US06174465-20010116-C00003.png) | |
| NL96384C (US06174465-20010116-C00003.png) | |
| AU226148B1 (en) | 1958-11-13 |
| LU36098A1 (US06174465-20010116-C00003.png) | |
| CH377800A (de) | 1964-05-31 |
