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Legal status
Patent not validated
| (51) | INT.CL. | C07D 489/02 |
| (11) | Number of the document | 2152715 |
| (13) | Kind of document | T |
| (96) | European patent application number | 08747498.7 |
| Date of filing the European patent application | 2008-05-02 | |
| (97) | Date of publication of the European application | 2010-02-17 |
| (45) | Date of publication and mention of the grant of the patent | 2010-12-29 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2008/062413 |
| Date | 2008-05-02 |
| (87) | Number | WO 2008/137672 |
| Date | 2008-11-13 |
| (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 Inc.,
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 |