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Legal status
Patent not validated
| (51) | INT.CL. | C07D 239/545 | |
| A61K 31/505 | |||
| A61P 11/00 |
| (11) | Number of the document | 2603497 |
| (13) | Kind of document | T |
| (96) | European patent application number | 11726502.5 |
| Date of filing the European patent application | 2011-03-28 | |
| (97) | Date of publication of the European application | 2013-06-19 |
| (45) | Date of publication and mention of the grant of the patent | 2018-08-08 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/IN2011/000209 |
| Date | 2011-03-28 |
| (87) | Number | WO 2012/020421 |
| Date | 2012-02-16 |
| (30) | Number | Date | Country code |
| 2266MU2010 | 2010-08-11 | IN |
| (72) |
MATHAD Vijayavitthal Thippannachar, IN
NIPHADE, Navnath Chintaman, IN
JAGTAP, Kunal Madhav, IN
GAIKWAD, Chandrashekar Trimbak, IN
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| (73) |
Megafine Pharma (P) Ltd.,
4th Floor, Sethna 55 Maharishi Karve Road Marine Lines, Mumbai 400 002, Maharashtra,
IN
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| (54) | A NOVEL PROCESS FOR PREPARATION OF BOSENTAN |
| A NOVEL PROCESS FOR PREPARATION OF BOSENTAN |