![]() |
![]() |
Legal status
Patent not validated
(51) | INT.CL. | C07J 53/00 |
(11) | Number of the document | 2548881 |
(13) | Kind of document | T |
(96) | European patent application number | 10847665.6 |
Date of filing the European patent application | 2010-03-16 | |
(97) | Date of publication of the European application | 2013-01-23 |
(45) | Date of publication and mention of the grant of the patent | 2014-12-17 |
(46) | Date of publication of the claims translation |
(86) | Number | PCT/CN2010/071074 |
Date | 2010-03-16 |
(87) | Number | WO 2011/113196 |
Date | 2011-09-22 |
(72) |
WANG, Jiazhen, CN
|
(73) |
Taizhou Taifa Pharmaceuticals Co., Ltd,
No. 14 Industrial East Road Xianjv Taizhou, Zhejiang 317300,
CN
|
(54) | PREPARATION METHOD OF DROSPIRENONE |
PREPARATION METHOD OF DROSPIRENONE |