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Legal status
Patent not validated
| (51) | INT.CL. | C07D 211/58 |
| (11) | Number of the document | 2044021 |
| (13) | Kind of document | T |
| (96) | European patent application number | 07730143.0 |
| Date of filing the European patent application | 2007-06-13 | |
| (97) | Date of publication of the European application | 2009-04-08 |
| (45) | Date of publication and mention of the grant of the patent | 2010-03-31 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/EP2007/055859 |
| Date | 2007-06-13 |
| (87) | Number | WO 2007/144391 |
| Date | 2007-12-21 |
| (30) | Number | Date | Country code |
| 06115527 | 2006-06-15 | EP | |
| 804906 P | 2006-06-15 | US |
| (72) |
CERVELLÓ PAGÈS, Jorge, ES
CANTÓ VALLVERDÚ, María, ES
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| (73) |
Kern Pharma, S.L.,
Venus 77, Pol. Ind. Colon II, 08228 Terrassa (Barcelona),
ES
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| (54) | PROCESS FOR PREPARING REMIFENTANIL, INTERMEDIATES THEREOF, USE OF SAID INTERMEDIATES AND PROCESSES FOR THEIR PREPARATION |
| PROCESS FOR PREPARING REMIFENTANIL, INTERMEDIATES THEREOF, USE OF SAID INTERMEDIATES AND PROCESSES FOR THEIR PREPARATION |