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Legal status
Patent not validated
| (51) | INT.CL. | C07D 489/02 |
| (11) | Number of the document | 2180000 |
| (13) | Kind of document | T |
| (96) | European patent application number | 10000184.1 |
| Date of filing the European patent application | 2008-05-02 | |
| (97) | Date of publication of the European application | 2010-04-28 |
| (45) | Date of publication and mention of the grant of the patent | 2013-03-27 |
| (46) | Date of publication of the claims translation |
| (30) | Number | Date | Country code |
| 915962 P | 2007-05-04 | US | |
| 949055 P | 2007-07-11 | US |
| (72) |
Grote, Christopher, W., US
Wang, Peter, X., US
Jiang, Tao, US
Cantrell, Gary, L., US
Moser, Frank, W., US
Thomasson, Catherine, E., US
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| (73) |
Mallinckrodt LLC,
675 McDonnell Boulevard, Hazelwood, MO 63042,
US
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| (54) | Improved process for the preparation of 6-alpha-hydroxy-n-alkylated opiates |
| Improved process for the preparation of 6-alpha-hydroxy-n-alkylated opiates |