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Legal status
Patent not validated
| (51) | INT.CL. | G01N 30/88 |
| (11) | Number of the document | 3499227 |
| (13) | Kind of document | T |
| (96) | European patent application number | 18212216.8 |
| Date of filing the European patent application | 2018-12-13 | |
| (97) | Date of publication of the European application | 2019-06-19 |
| (45) | Date of publication and mention of the grant of the patent | 2021-04-07 |
| (46) | Date of publication of the claims translation |
| (30) | Number | Date | Country code |
| 201711336457 | 2017-12-14 | CN |
| (72) |
Ni, Dongsheng, CN
Liu, Jing, CN
Li, Gang, CN
Dai, Xiangrong, CN
Li, Xiaoyi, HK
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| (73) |
Zhaoke (Guangzhou) Ophthalmology
Pharmaceutical Ltd. ,
Room 501,
5th Floor, No. 1, Meide 3rd Road,
Pearl River Industrial Park,
Nansha District, Guangzhou, Guangdong Province,
CN
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| (54) | A METHOD OF CONTROLLING IMPURITIES FOR CLINDAMYCIN HYDROCHLORIDE |
| A METHOD OF CONTROLLING IMPURITIES FOR CLINDAMYCIN HYDROCHLORIDE |