| 7407532 |
Process for separating NH3 , and optionally also CO2 and H2O, from a mixture containing NH3 , CO2 and H2O |
Andreas J. Biermans, Johannes Henricus Mennen, Nora Anna De Wit, Herbert Willem Gerrit Hooijkaas, Bastiaan Renè Agnes Marie Van De Kerkhove |
2008-08-05 |
| 6921838 |
Process for the preparation of urea |
Jozef Hubert Meessen |
2005-07-26 |
| 6881862 |
Process for the preparation of urea |
Jozef Hubert Meessen |
2005-04-19 |
| 6858755 |
Process for the preparation of urea |
Jozef Hubert Meessen |
2005-02-22 |
| 6855846 |
Process for the preparation of urea |
Andreas J. Biermans |
2005-02-15 |
| 6392096 |
Process for the preparation of urea |
Johannes Henricus Mennen |
2002-05-21 |
| 6165315 |
Reactor for the synthesis of urea |
Hendrik F. Perree |
2000-12-26 |
| 6118023 |
Method for increasing the capacity of an existing urea process |
Hendrik F. Perree |
2000-09-12 |
| 5767313 |
Method for the preparation of urea |
— |
1998-06-16 |
| 4866207 |
Process for concentrating an urea solution by evaporation |
Henk C. Burks |
1989-09-12 |
| 4801747 |
Process for preparing urea |
— |
1989-01-31 |
| 4540813 |
Process for the preparation of urea |
Petrus J. M. van Nassau, Andreas J. Biermans, Mario G. R. T. de Cooker |
1985-09-10 |
| 4539077 |
Process for the preparation of urea |
Petrus J. M. van Nassau, Andreas J. Biermans |
1985-09-03 |
| 4456535 |
Process for the removal of urea, ammonia, and carbon dioxide from dilute aqueous solutions |
Jan Zuidam, Petrus J. M. van Nassau, Pierre G. M. B. Bruls |
1984-06-26 |