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Legal status
Patent not validated
| (51) | INT.CL. | C07C 45/67 | |
| C07C 45/64 | |||
| C07C 45/81 | |||
| C07C 47/565 | |||
| C07C 47/575 | |||
| C07C 67/31 | |||
| C07C 67/333 | |||
| C07C 69/02 | |||
| C07C 69/84 |
| (11) | Number of the document | 3209415 |
| (13) | Kind of document | T |
| (96) | European patent application number | 15787414.0 |
| Date of filing the European patent application | 2015-10-19 | |
| (97) | Date of publication of the European application | 2017-08-30 |
| (45) | Date of publication and mention of the grant of the patent | 2020-02-19 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2015/056283 |
| Date | 2015-10-19 |
| (87) | Number | WO 2016/064764 |
| Date | 2016-04-28 |
| (30) | Number | Date | Country code |
| 201462066009 P | 2014-10-20 | US |
| (72) |
BATRA, Hitesh, US
TULADHAR, Sudersan, US
WALSH, David A., US
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| (73) |
United Therapeutics Corporation,
1040 Spring Street, Silver Spring, MD 20910,
US
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| (54) | SYNTHESIS OF INTERMEDIATES FOR PRODUCING PROSTACYCLIN DERIVATIVES |
| SYNTHESIS OF INTERMEDIATES FOR PRODUCING PROSTACYCLIN DERIVATIVES |