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Legal status
Patent not validated
| (51) | INT.CL. | C07J 21/00 | |
| C07J 41/00 | |||
| C07J 53/00 |
| (11) | Number of the document | 2417149 |
| (13) | Kind of document | T |
| (96) | European patent application number | 10714129.3 |
| Date of filing the European patent application | 2010-04-06 | |
| (97) | Date of publication of the European application | 2012-02-15 |
| (45) | Date of publication and mention of the grant of the patent | 2016-09-14 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2010/030092 |
| Date | 2010-04-06 |
| (87) | Number | WO 2010/118023 |
| Date | 2010-10-14 |
| (30) | Number | Date | Country code |
| 168261 P | 2009-04-10 | US | |
| 240413 P | 2009-09-08 | US | |
| 752859 | 2010-04-01 | US |
| (72) |
NICKISCH, Klaus, DE
ACOSTA, Kirk, US
SANTHAMMA, Bindu, US
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| (73) |
Evestra, Inc.,
7620 Northwest Loop 410, San Antonio, Texas 78227-5301,
US
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| (54) | METHODS FOR THE PREPARATION OF DROSPIRENONE |
| METHODS FOR THE PREPARATION OF DROSPIRENONE |