| 7563912 |
Oxopyrrolidine compounds, preparation of said compounds and their use in the manufacturing of Levetiracetam and analogues |
Celal Ates, John Surtees, Anne-Catherine Burteau, Violeta Marmon |
2009-07-21 |
| 7381821 |
Piperazine derivatives and their use as synthesis intermediates |
Celal Ates, Didier Bouvy |
2008-06-03 |
| 7199241 |
Process for preparing (S) and (R)-2-[4-(4-chlorobenzhydryl)piperazin-1-yl]-ethoxyacetamide |
Vincent Zimmermann, Michel Hamende |
2007-04-03 |
| 7122682 |
Oxopyrrolidine compounds, preparation of said compounds and their use in the manufacturing of levetiracetam and analogues |
Celal Ates, John Surtees, Anne-Catherine Burteau, Violeta Marmon |
2006-10-17 |
| 6977301 |
Process for preparing (S) and (R)—2-[4-(4-chlorobenzhydryl)piperazin-1-yl]-ethoxyacetamide |
Vincent Zimmerman, Michel Hamende |
2005-12-20 |
| 6533940 |
Process for separation in a simulated moving bed of at least one component in columns that have a suitable length to diameter ratio |
Sylvie Lehoucq, Olivier Ludemann-Hombourger, Roger-Marc Nicoud, Michel Hamende |
2003-03-18 |
| 6124473 |
Process for preparing (s)- and (R)-.alpha.-ethyl-2-oxo-1-pyrrolidineacetamide |
Michel Hamende, Michel Deleers, Jean-Pierre Canvat, Vincent Zimmermann |
2000-09-26 |
| 6107492 |
Process for the preparation of levetiracetam |
Tooru Futagawa, Jean-Pierre Canvat, Michel Deleers, Michel Hamende, Vincent Zimmermann |
2000-08-22 |