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Legal status
Patent not validated
| (51) | INT.CL. | C07D 401/12 |
| (11) | Number of the document | 3444244 |
| (13) | Kind of document | T |
| (96) | European patent application number | 17802187.9 |
| Date of filing the European patent application | 2017-05-24 | |
| (97) | Date of publication of the European application | 2019-02-20 |
| (45) | Date of publication and mention of the grant of the patent | 2021-01-13 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2017/085750 |
| Date | 2017-05-24 |
| (87) | Number | WO 2017/202341 |
| Date | 2017-11-30 |
| (30) | Number | Date | Country code |
| 201610347598 | 2016-05-24 | CN |
| (72) |
CHEN, Lingjie, CN
ZHANG, Wenling, CN
WANG, Peng, CN
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| (73) |
Zhejiang Huahai Pharmaceutical Co., Ltd,
Xunqiao Linhai, Taizhou, Zhejiang 317024,
CN
Zhejiang Huahai Zhicheng Pharmaceutical Co., Ltd., No.7, Donghai 5th Avenue, Duqiao Linhai, Zhejiang 317016, CN |
| (54) | PREPARATION PROCESS FOR HIGH-PURITY DABIGATRAN ETEXILATE |
| PREPARATION PROCESS FOR HIGH-PURITY DABIGATRAN ETEXILATE |