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Legal status
Patent not validated
| (51) | INT.CL. | C07D 487/04 |
| (11) | Number of the document | 3325485 |
| (13) | Kind of document | T |
| (96) | European patent application number | 16748205.8 |
| Date of filing the European patent application | 2016-07-21 | |
| (97) | Date of publication of the European application | 2018-05-30 |
| (45) | Date of publication and mention of the grant of the patent | 2020-04-08 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2016/043402 |
| Date | 2016-07-21 |
| (87) | Number | WO 2017/015495 |
| Date | 2017-01-26 |
| (30) | Number | Date | Country code |
| 201562195023 P | 2015-07-21 | US | |
| 201662327973 P | 2016-04-26 | US |
| (72) |
GÉRARD, Baudouin, US
SHIZUKA, Manami, US
MILLER, Michael, Louis, US
SILVA, Richard, A., US
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| (73) |
ImmunoGen, Inc.,
830 Winter Street, Waltham, MA 02451,
US
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| (54) | METHODS OF PREPARING CYTOTOXIC BENZODIAZEPINE DERIVATIVES |
| METHODS OF PREPARING CYTOTOXIC BENZODIAZEPINE DERIVATIVES |