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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
A61K 31/47 A61K 31/535 A61P 1/00 A61P 25/00 C07D 215/00 C07D 401/00 C07D 403/00 C07D 405/00 C07D 409/00 |
| (11) | Number of the document | 3305 |
| (13) | Kind of document | B |
| (21) | Application number | IP491 |
| (22) | Date of filing the application | 1993-04-19 |
| (41) | Date of publication of the application | 1994-11-25 |
| (45) | Date of publication of patent | 1995-06-26 |
| (71) |
MERCK SHARP & DOHME LIMITED,
Hertford Road, Hoddesdon, Hertfordshire EN11 9NU,
GB
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| (72) |
Janusz J. KULAGOWSKI, GB
Paul D. LEESON, GB Ian Michael MAWER, GB Michael ROWLEY, GB |
| (73) |
MERCK SHARP & DOHME LIMITED,
Hertford Road, Hoddesdon, Hertfordshire EN11 9NU,
GB
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| (74) |
Liudmila GERASIMOVIČ,
IĮ "Liudmila Gerasimovič, Patentinis patikėtinis", Vingrių g. 13-42, LT-01141 Vilnius,
LT
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| (54) | HYDROXYQUINOLONE DERIVATIVES |
| Payment date | Validity (years) | Amount | |
| 1996-03-11 | 4 | 80.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1997-04-19 |