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Legal status
Patent not validated
| (51) | INT.CL. | C07D 231/12 | |
| C07B 37/10 | |||
| C07D 403/04 |
| (11) | Number of the document | 2958896 |
| (13) | Kind of document | T |
| (96) | European patent application number | 14709759.6 |
| Date of filing the European patent application | 2014-02-20 | |
| (97) | Date of publication of the European application | 2015-12-30 |
| (45) | Date of publication and mention of the grant of the patent | 2017-08-30 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/JP2014/054780 |
| Date | 2014-02-20 |
| (87) | Number | WO 2014/129668 |
| Date | 2014-08-28 |
| (30) | Number | Date | Country code |
| 2013032326 | 2013-02-21 | JP |
| (72) |
FUKUDA, Naohiro, JP
IKEMOTO, Tomomi, JP
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| (73) |
Takeda Pharmaceutical Company Limited,
1-1 Doshomachi 4-chome Chuo-ku, Osaka-shi, Osaka 541-0045,
JP
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| (54) | PRODUCTION METHOD OF PYRIDAZINONE COMPOUNDS |
| PRODUCTION METHOD OF PYRIDAZINONE COMPOUNDS |