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Legal status
Patent not validated
| (51) | INT.CL. | C07C 37/82 | (2006.01) |
| C07C2601/16 | (2017.05) | ||
| C07C 37/72 | (2006.01) | ||
| C07C 37/004 | (2013.01) | ||
| C07C 39/23 | (2006.01) | ||
| B01D 15/1807 | (2013.01) | ||
| B01D 11/02 | (2006.01) | ||
| B01D 15/265 | (2013.01) | ||
| B01D 15/18 | (2006.01) | ||
| B01D 15/426 | (2013.01) | ||
| B01D 15/26 | (2006.01) | ||
| B01D 11/0288 | (2013.01) | ||
| B01D 15/42 | (2006.01) | ||
| B01D 11/0242 | (2013.01) |
| (11) | Number of the document | 3896050 |
| (13) | Kind of document | T |
| (96) | European patent application number | 19896174.0 |
| Date of filing the European patent application | 2019-04-19 | |
| (97) | Date of publication of the European application | 2021-10-20 |
| (45) | Date of publication and mention of the grant of the patent | 2024-06-19 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2019/083401 |
| Date | 2019-04-19 |
| (87) | Number | WO 2020/119001 |
| Date | 2020-06-18 |
| (30) | Number | Date | Country code |
| 201811534794 | 2018-12-14 | CN |
| (72) |
DENG, Qiuyun , CN
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| (73) |
Techson Industry Company Limited ,
Room 602 Chung Wai Comm. Bldg.
447-449 Lochkart Rd., Causeway Bay, Hong Kong,
HK
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| (54) | METHOD FOR PREPARING CANNABIDIOL BY MEANS OF HIGH-SPEED COUNTERCURRENT CHROMATOGRAPHY SEPARATION AND PURIFICATION |
| METHOD FOR PREPARING CANNABIDIOL BY MEANS OF HIGH-SPEED COUNTERCURRENT CHROMATOGRAPHY SEPARATION AND PURIFICATION |