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Legal status
Patent not validated
| (51) | INT.CL. | C07D 223/16 | |
| A61K 31/55 | |||
| A61P 9/10 |
| (11) | Number of the document | 2388248 |
| (13) | Kind of document | T |
| (96) | European patent application number | 09838129.6 |
| Date of filing the European patent application | 2009-10-29 | |
| (97) | Date of publication of the European application | 2011-11-23 |
| (45) | Date of publication and mention of the grant of the patent | 2015-07-29 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2009/074689 |
| Date | 2009-10-29 |
| (87) | Number | WO 2010/081342 |
| Date | 2010-07-22 |
| (30) | Number | Date | Country code |
| 200910003042 | 2009-01-13 | CN |
| (72) |
SUN, Piaoyang, CN
CHEN, Yongjiang, CN
YU, Guangliang, CN
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| (73) |
Jiangsu Hengrui Medicine Co., Ltd.,
No. 145 Renmin East Road Xinpu District, Lianyungang, Jiangsu 222002,
CN
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| (54) | METHODS FOR THE PREPARATION OF IVABRADINE SULFATE AND FORM I CRYSTAL THEREOF |
| METHODS FOR THE PREPARATION OF IVABRADINE SULFATE AND FORM I CRYSTAL THEREOF |