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Legal status
Patent not validated
(51) | INT.CL. | C07D 453/04 | |
B01J 31/02 |
(11) | Number of the document | 2825536 |
(13) | Kind of document | T |
(96) | European patent application number | 13761100.0 |
Date of filing the European patent application | 2013-03-13 | |
(97) | Date of publication of the European application | 2015-01-21 |
(45) | Date of publication and mention of the grant of the patent | 2020-06-17 |
(46) | Date of publication of the claims translation |
(86) | Number | PCT/US2013/030688 |
Date | 2013-03-13 |
(87) | Number | WO 2013/138413 |
Date | 2013-09-19 |
(30) | Number | Date | Country code |
201261610746 P | 2012-03-14 | US |
(72) |
XIANG, Bangping, US
YASUDA, Nobuyoshi, US
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(73) |
Merck Sharp & Dohme Corp.,
126 East Lincoln Avenue, Rahway, NJ 07065-0907,
US
|
(54) | BIS-QUARTERNARY CINCHONA ALKALOID SALTS AS ASYMMETRIC PHASE TRANSFER CATALYSTS |
BIS-QUARTERNARY CINCHONA ALKALOID SALTS AS ASYMMETRIC PHASE TRANSFER CATALYSTS |