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Teisinis statusas
Patentas neįsigaliojo (pagal EPK)
(51) | INT.CL. | C07D 307/33 | |
C07D 263/26 | |||
C07D 263/24 | |||
C07D 263/22 | |||
C07C 253/30 | |||
C07C 255/12 |
(11) | Patento numeris | 3543229 |
(13) | Dokumento rūšis | T |
(96) | Europos patento paraiškos numeris | 17897655.1 |
Europos patento paraiškos padavimo data | 2017-04-23 | |
(97) | Europos patento paraiškos paskelbimo data | 2019-09-25 |
(45) | Paskelbimo apie Europos patento išdavimą data | 2021-04-14 |
(46) | Apibrėžties vertimo paskelbimo data |
(86) | Numeris | PCT/CN2017/081556 |
Data | 2017-04-23 |
(87) | Numeris | WO 2018/152949 |
Data | 2018-08-30 |
(30) | Numeris | Data | Šalis |
201710102792 | 2017-02-24 | CN |
(72) |
MA, Liang, CN
|
(73) |
Beijing AblePharmtech Co., Ltd.,
Rm.1-502, Bld. 7 No. 99 Kechuang 14th Street Beijing Economic-Technological Development Area Yizhuang, Beijing 101111,
CN
|
(54) | METHOD FOR PREPARING OPTICALLY PURE (R)-4-N-PROPYL-DIHYDROFURAN-2(3H)-ONE |
METHOD FOR PREPARING OPTICALLY PURE (R)-4-N-PROPYL-DIHYDROFURAN-2(3H)-ONE |