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Legal status
Patent not validated
| (51) | INT.CL. | C07C 319/20 | |
| C07C 323/60 | |||
| A61K 47/68 |
| (11) | Number of the document | 2465541 |
| (13) | Kind of document | T |
| (96) | European patent application number | 12159159.8 |
| Date of filing the European patent application | 2008-05-20 | |
| (97) | Date of publication of the European application | 2012-06-20 |
| (45) | Date of publication and mention of the grant of the patent | 2018-07-18 |
| (46) | Date of publication of the claims translation |
| (30) | Number | Date | Country code |
| 939529 P | 2007-05-22 | US |
| (72) |
Chiarello, George, A., US
Sahli, Ayman, JO
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| (73) |
Wyeth LLC,
235 East 42nd Street, New York, NY 10017-5755,
US
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| (54) | Improved processes for making hydrazides |
| Improved processes for making hydrazides |