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Legal status
Patent not validated
| (51) | INT.CL. | C07D 239/69 |
| (11) | Number of the document | 2621909 |
| (13) | Kind of document | T |
| (96) | European patent application number | 11761348.9 |
| Date of filing the European patent application | 2011-09-22 | |
| (97) | Date of publication of the European application | 2013-08-07 |
| (45) | Date of publication and mention of the grant of the patent | 2018-12-19 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/EP2011/066531 |
| Date | 2011-09-22 |
| (87) | Number | WO 2012/041764 |
| Date | 2012-04-05 |
| (30) | Number | Date | Country code |
| 10185950 | 2010-10-01 | EP |
| (72) |
COTARCA, Livius, IT
VERZINI, Massimo, IT
MELOTTO, Elisa, IT
MICHIELETTO, Ivan, IT
MELLONI, Alfonso, IT
MARAGNI, Paolo, IT
VOLPICELLI, Raffaella, IT
ANDRETTO, Mauro, IT
COLLI, Corrado, IT
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| (73) |
ZaCh System S.p.A.,
Via Lillo del Duca, 10, 20091 Bresso (Milano),
IT
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| (54) | PROCESS FOR PREPARING BOSENTAN MONOHYDRATE AND ITS INTERMEDIATES |
| PROCESS FOR PREPARING BOSENTAN MONOHYDRATE AND ITS INTERMEDIATES |