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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
A61K 31/47 A61P 25/00 C07D 455/00 |
| (11) | Number of the document | 3473 |
| (13) | Kind of document | B |
| (21) | Application number | IP801 |
| (22) | Date of filing the application | 1993-07-20 |
| (41) | Date of publication of the application | 1995-02-27 |
| (45) | Date of publication of patent | 1995-10-25 |
| (30) | Number | Date | Country code |
| 228/91 | 1991-01-25 | CH | |
| 5010652 | 1992-01-24 | SU |
| (71) |
F. Hoffmann-La Roche AG,
124 Grenzacherstrasse, CH-4002 Basle,
CH
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| (72) |
Richard Raimund SCHERSCHLICHT, DE
Ulrich WIDMER, CH |
| (73) |
F. Hoffmann-La Roche AG,
124 Grenzacherstrasse, CH-4002 Basle,
CH
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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) | TRYCICLIC PYRIDONE DERIVATIVE |
| Payment date | Validity (years) | Amount | |
| 1996-07-04 | 4 | 80.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1997-07-20 |