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Legal status
Patent not validated
| (51) | INT.CL. | C07D 213/55 | |
| C07D 213/56 | |||
| C07D 211/34 |
| (11) | Number of the document | 1607388 |
| (13) | Kind of document | T |
| (96) | European patent application number | 05253597.8 |
| Date of filing the European patent application | 2005-06-10 | |
| (97) | Date of publication of the European application | 2005-12-21 |
| (45) | Date of publication and mention of the grant of the patent | 2008-02-20 |
| (46) | Date of publication of the claims translation |
| (30) | Number | Date | Country code |
| MU06512004 | 2004-06-15 | IN |
| (72) |
Kumar, Ashok, A4/203-4, Sterling CHS, IN
Shing, Dharmendra, Bldg No. D/3,"A" Wing, Rm No 8, IN
Patil, Swapnali Hemant, Vaslai (Khuntodi), IN
Mahale, Ganesh Devidas, A-502, Shantidoot Co-op, IN
Sawant, Uttamrao Arjunrao, Sai-Leela Co-op. Hsg, IN
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| (73) |
IPCA Laboratories Limited,
48, Kandivli Industrial Estate, Mumbai 400 067 (Maharashtra),
IN
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| (54) | An improved manufacturing process for methylphenidate and intermediates thereof |
| An improved manufacturing process for methylphenidate and intermediates thereof |