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Legal status
Patent not validated
| (51) | INT.CL. | C07D 489/00 | |
| B01D 15/32 |
| (11) | Number of the document | 1807433 |
| (13) | Kind of document | T |
| (96) | European patent application number | 05820862.0 |
| Date of filing the European patent application | 2005-10-26 | |
| (97) | Date of publication of the European application | 2007-07-18 |
| (45) | Date of publication and mention of the grant of the patent | 2010-03-17 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2005/038603 |
| Date | 2005-10-26 |
| (87) | Number | WO 2006/052456 |
| Date | 2006-05-18 |
| (30) | Number | Date | Country code |
| 622430 P | 2004-10-27 | US |
| (72) |
ANTONINI, Enrico, A., US
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| (73) |
MALLINCKRODT, INC.,
675 McDonnell Boulevard P.O. Box 5840, St. Louis Missouri 63134,
US
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| (54) | METHOD FOR SEPARATION AND PURIFICATION OF HYDROCODONE BY PREPARATIVE CHROMATOGRAPHY |
| METHOD FOR SEPARATION AND PURIFICATION OF HYDROCODONE BY PREPARATIVE CHROMATOGRAPHY |