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Legal status
Patent not validated
| (51) | INT.CL. | C07F 9/58 |
| (11) | Number of the document | 1981896 |
| (13) | Kind of document | T |
| (96) | European patent application number | 07700531.2 |
| Date of filing the European patent application | 2007-01-15 | |
| (97) | Date of publication of the European application | 2008-10-22 |
| (45) | Date of publication and mention of the grant of the patent | 2013-03-13 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/IB2007/000216 |
| Date | 2007-01-15 |
| (87) | Number | WO 2007/083243 |
| Date | 2007-07-26 |
| (30) | Number | Date | Country code |
| CH00942006 | 2006-01-20 | IN |
| (72) |
DIVVELA, Venkata, Naga, Srinivasa, Rao, IN
RACHA, Lenin, IN
DANDALA, Ramesh, IN
MEENAKSHISUNDERAM, Sivakumaran, IN
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| (73) |
AUROBINDO PHARMA LIMITED,
Plot No. 2, Maitrivihar Ameerpet Andhra Pradesh, Hyderabad 500038,
IN
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| (54) | AN IMPROVED PROCESS FOR THE PREPARATION OF RISEDRONATE SODIUM HEMI-PENTAHYDRATE |
| AN IMPROVED PROCESS FOR THE PREPARATION OF RISEDRONATE SODIUM HEMI-PENTAHYDRATE |