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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
C07C 311/00 |
| (11) | Number of the document | 3911 |
| (13) | Kind of document | B |
| (21) | Application number | IP1741 |
| (22) | Date of filing the application | 1993-12-30 |
| (41) | Date of publication of the application | 1995-07-25 |
| (45) | Date of publication of patent | 1996-04-25 |
| (30) | Number | Date | Country code |
| 4648656 | 1989-02-08 | SU |
| (71) |
Biochemijos institutas,
Mokslininkų g. 12, 2600 Vilnius,
LT
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| (72) |
Algirdas PALAIMA, LT
Zita STANIULYTĖ, LT Saulius BUTĖNAS, LT Andrej NEDOSPASOV, RU |
| (73) |
Biochemijos institutas,
Mokslininkų g. 12, 2600 Vilnius,
LT
|
| (74) |
| (54) | PROCESS FOR PREPARING 5-AMINONAPHTHALENE-1-SULPHAMIDES |
| Payment date | Validity (years) | Amount | |
| 1995-12-29 | 3 | 39.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1996-12-30 |