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Legal status
Patent expired
| (51) | INT.CL.: (2006.01) |
C07D 461/00 |
| (11) | Number of the document | 2278 |
| (13) | Kind of document | B |
| (21) | Application number | RP748 |
| (22) | Date of filing the application | 1993-07-01 |
| (41) | Date of publication of the application | |
| (45) | Date of publication of patent | 1993-12-15 |
| (86) | Number | 1258326 |
| Date | 1982-06-11 |
| (30) | Number | Date | Country code |
| 17 53/81 | 1981-06-12 | HU |
| (71) |
RICHTER GEDEON VEGYESZETI GYAR RT.,
Gyomroi ut 19-21, 1475 Budapest,
HU
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| (72) |
Janos KREIDL, HU
Csaba SZANTAY, HU Lajos SZABO, HU Gyorgy KALAUS, HU Laszlo CSIBULA, HU Gyorgy VISKY, HU Andras NEMES, HU Maria FARKAS, HU |
| (73) |
RICHTER GEDEON VEGYESZETI GYAR RT.,
Gyomroi ut 19-21, 1475 Budapest,
HU
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| (74) |
Rita LAURINAVIČIŪTĖ,
Gedimino pr. 45-6, LT-01109 Vilnius,
LT
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| (54) |
| Payment date | Validity (years) | Amount | |
| 1996-06-27 | 6 | 250.00 USD |
| 1999-07-01 |
| Patent expired | ||
| Invalidation date | 1997-06-11 |