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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
C07C 229/00 |
| (11) | Number of the document | 4663 |
| (13) | Kind of document | B |
| (21) | Application number | 99-087 |
| (22) | Date of filing the application | 1999-07-20 |
| (41) | Date of publication of the application | 2000-01-25 |
| (45) | Date of publication of patent | 2000-06-26 |
| (71) |
Biochemijos institutas,
Mokslininkų g. 12, 2600 Vilnius,
LT
|
| (72) |
Juozapas STRAUKAS, LT
Nijolė DIRVIANSKYTĖ, LT |
| (73) |
Biochemijos institutas,
Mokslininkų g. 12, 2600 Vilnius,
LT
|
| (74) |
| (54) | N-FORMYL-O-ACYL-THREO- AND ERYTHRO-DL-BETA-PHENYLSERINE ETHYL ESTERS AND PROCESS FOR PREPARING THEREOF |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2001-07-20 |