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Legal status
Patent expired
| (51) | INT.CL.: (2006.01) |
A61K 31/40 C07D 477/00 C07F 9/00 |
| (11) | Number of the document | 2155 |
| (13) | Kind of document | B |
| (21) | Application number | RP557 |
| (22) | Date of filing the application | 1993-05-18 |
| (41) | Date of publication of the application | |
| (45) | Date of publication of patent | 1993-09-15 |
| (86) | Number | 1264839 |
| Date | 1979-07-23 |
| (30) | Number | Date | Country code |
| 50233 | 1979-06-22 | US |
| (71) |
MERCK & CO., INC.,
126 East Lincoln Avenue, Rahway, New Jersey 07065,
US
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| (72) |
Donald W. GRAHAM, US
Edward F. ROGERS, US Frederick M. KAHAN, US |
| (73) |
MERCK & CO., INC.,
126 East Lincoln Avenue, Rahway, New Jersey 07065,
US
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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) |
| Payment date | Validity (years) | Amount | |
| 1993-05-18 | 3 | 300.00 USD |
| 1996-05-18 |
| Patent expired | ||
| Invalidation date | 1994-07-23 |