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Legal status
Patent not validated
| (51) | INT.CL. | A61K 9/20 | (2006.01) |
| A61K 31/454 | (2013.01) | ||
| A61K 9/22 | (2006.01) | ||
| A61K 9/2054 | (2013.01) | ||
| A61K 31/454 | (2006.01) |
| (11) | Number of the document | 3766494 |
| (13) | Kind of document | T |
| (96) | European patent application number | 18918993.9 |
| Date of filing the European patent application | 2018-09-29 | |
| (97) | Date of publication of the European application | 2021-01-20 |
| (45) | Date of publication and mention of the grant of the patent | 2023-03-29 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2018/108771 |
| Date | 2018-09-29 |
| (87) | Number | WO 2019/218576 |
| Date | 2019-11-21 |
| (30) | Number | Date | Country code |
| 201810471714 | 2018-05-17 | CN |
| (72) |
LIU, Feng , CN
LUO, Huafeng , CN
HE, Jingyu , CN
TAN, Xiaofeng , CN
LAI, Shuting , CN
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| (73) |
Guangzhou DiQi Pharmaceuticals Co., Ltd. ,
Unit 301, 302 and 303
8 Luoxuan 3rd Road, Floor 3, Guangzhou International BIO-island
Guangzhou
Guangdong 510300,
CN
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| (54) | LENALIDOMIDE GASTRO-RETENTIVE SUSTAINED-RELEASE TABLET AND PREPARATION METHOD THEREFOR |
| LENALIDOMIDE GASTRO-RETENTIVE SUSTAINED-RELEASE TABLET AND PREPARATION METHOD THEREFOR |