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Legal status
Patent not validated
| (51) | INT.CL. | C07D 471/08 | (2006.01) |
| A61P 31/04 | (2018.01) | ||
| A61K 31/439 | (2006.01) | ||
| C07D 471/08 | (2013.01) | ||
| A61P 31/04 | (2006.01) | ||
| A61K 31/551 | (2013.01) |
| (11) | Number of the document | 3719020 |
| (13) | Kind of document | T |
| (96) | European patent application number | 18884744.6 |
| Date of filing the European patent application | 2018-12-03 | |
| (97) | Date of publication of the European application | 2020-10-07 |
| (45) | Date of publication and mention of the grant of the patent | 2022-09-21 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2018/118864 |
| Date | 2018-12-03 |
| (87) | Number | WO 2019/105479 |
| Date | 2019-06-06 |
| (30) | Number | Date | Country code |
| 201711251386 | 2017-12-01 | CN |
| (72) |
LI, Cheng , CN
HUANG, Zhigang , CN
DING, Charles Z. , CN
LI, Weidong , CN
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| (73) |
QILU PHARMACEUTICAL CO., LTD. ,
No. 317, Xinluo Street, High Technical Zone Jinan
Shandong 250100,
CN
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| (54) | CRYSTAL FORM OF BETA-LACTAMASE INHIBITOR AND PREPARATION METHOD THEREFOR |
| CRYSTAL FORM OF BETA-LACTAMASE INHIBITOR AND PREPARATION METHOD THEREFOR |