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Legal status
Patent not validated
| (51) | INT.CL. | C07D 489/12 |
| (11) | Number of the document | 2342208 |
| (13) | Kind of document | T |
| (96) | European patent application number | 09789383.8 |
| Date of filing the European patent application | 2009-09-29 | |
| (97) | Date of publication of the European application | 2011-07-13 |
| (45) | Date of publication and mention of the grant of the patent | 2014-06-04 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2009/005376 |
| Date | 2009-09-29 |
| (87) | Number | WO 2010/039221 |
| Date | 2010-04-08 |
| (30) | Number | Date | Country code |
| 194697 P | 2008-09-30 | US |
| (72) |
KALOTA, Dennis, J., US
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| (73) |
Mallinckrodt LLC,
675 McDonnell Boulevard, Hazelwood, MO 63042,
US
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| (54) | RECYCLING PROCESS FOR INCREASING THE YIELD OF A GRIGNARD REACTION IN THE PREPARATION OF OPIATE ALKALOID DERIVATIVES |
| RECYCLING PROCESS FOR INCREASING THE YIELD OF A GRIGNARD REACTION IN THE PREPARATION OF OPIATE ALKALOID DERIVATIVES |