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Legal status
Patent not validated
| (51) | INT.CL. | C07D 257/04 | |
| C07C 233/47 | |||
| C07C 231/24 |
| (11) | Number of the document | 3385256 |
| (13) | Kind of document | T |
| (96) | European patent application number | 16872277.5 |
| Date of filing the European patent application | 2016-11-10 | |
| (97) | Date of publication of the European application | 2018-10-10 |
| (45) | Date of publication and mention of the grant of the patent | 2021-02-24 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2016/105335 |
| Date | 2016-11-10 |
| (87) | Number | WO 2017/097085 |
| Date | 2017-06-15 |
| (30) | Number | Date | Country code |
| 201510902127 | 2015-12-08 | CN |
| (72) |
CHEN, Minhua, CN
ZHANG, Yanfeng, CN
ZHANG, Liang, CN
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| (73) |
Crystal Pharmatech Co., Ltd,
B4-101 Biobay 218 Xinghu Street Suzhou Industrial Park, Suzhou, Jiangsu 215123,
CN
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| (54) | PREPARATION METHOD FOR EUTECTIC HYDRATE CRYSTAL FORM II OF AHU-377 AND DIOVAN TRISODIUM SALT |
| PREPARATION METHOD FOR EUTECTIC HYDRATE CRYSTAL FORM II OF AHU-377 AND DIOVAN TRISODIUM SALT |