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Legal status
Patent not validated
| (51) | INT.CL. | C07J 53/00 |
| (11) | Number of the document | 2958929 |
| (13) | Kind of document | T |
| (96) | European patent application number | 13716407.5 |
| Date of filing the European patent application | 2013-02-20 | |
| (97) | Date of publication of the European application | 2015-12-30 |
| (45) | Date of publication and mention of the grant of the patent | 2017-09-13 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/IB2013/051377 |
| Date | 2013-02-20 |
| (87) | Number | WO 2014/128525 |
| Date | 2014-08-28 |
| (72) |
LENNA, Roberto, IT
REWINKEL, Johannes Bernardus Maria, NL
BARBIERI, Francesco, IT
LUONI, Maria Giovanna, IT
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| (73) |
Industriale Chimica S.R.L.,
Via Abbondio Sangiorgio, 12, 20145 Milano,
IT
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| (54) | PROCESS FOR THE PREPARATION OF DROSPIRENONE |
| PROCESS FOR THE PREPARATION OF DROSPIRENONE |