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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
A61K 31/50 A61P 9/00 C07D 237/00 C07D 401/00 C07D 403/00 |
| (11) | Number of the document | 3945 |
| (13) | Kind of document | B |
| (21) | Application number | IP1808 |
| (22) | Date of filing the application | 1994-01-27 |
| (41) | Date of publication of the application | 1995-08-25 |
| (45) | Date of publication of patent | 1996-05-27 |
| (30) | Number | Date | Country code |
| 2991/88 | 1988-12-06 | AT | |
| 4742661 | 1989-12-05 | SU |
| (71) |
HAFSLUND-NYCOMED PHARMA AG,
St. Peter Str. 25, A-4021 Linz,
AT
|
| (72) |
Heinz BLASCHKE, AT
Heimo STROISSNIG, AT Harald FELLIER, AT Rita ENZENHOFER, AT |
| (73) |
HAFSLUND-NYCOMED PHARMA AG,
St. Peter Str. 25, A-4021 Linz,
AT
|
| (74) |
Rita LAURINAVIČIŪTĖ,
Gedimino pr. 45-6, LT-01109 Vilnius,
LT
|
| (54) | PROCESS FOR THE PREPARATION OF PIPERAZINYLALKYL-3(2H)-PYRIDAZINONE OR ITS PHARMACEUTICALLY ACCEPTABLE SALTS |
| Payment date | Validity (years) | Amount | |
| 1995-12-19 | 3 | 70.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1997-01-27 |