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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
B01J 12/00 C07C 273/00 |
| (11) | Number of the document | 3607 |
| (13) | Kind of document | B |
| (21) | Application number | IP996 |
| (22) | Date of filing the application | 1993-09-17 |
| (41) | Date of publication of the application | 1995-04-25 |
| (45) | Date of publication of patent | 1995-12-27 |
| (30) | Number | Date | Country code |
| 03216/90 | 1990-10-05 | CH | |
| 5001892 | 1991-10-04 | SU |
| (71) |
UREA CASALE S.A.,
Via Sorengo 7, 6900 Lugano-Besso,
CH
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| (72) |
Giorgio PAGANI, IT
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| (73) |
UREA CASALE S.A.,
Via Sorengo 7, 6900 Lugano-Besso,
CH
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| (74) |
Marius JAKULIS - JASON,
AAA Law, A. Goštauto g. 40B, Verslo centras "Dvyniai", LT-03163 Vilnius,
LT
|
| (54) | PROCESS FOR THE PRODUCTION OF UREA BY STEPS AND IMPLEMENTATION ALSO ON EXISTING PLANTS |
| Payment date | Validity (years) | Amount | |
| 1999-09-03 | 7 | 560.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2000-09-17 |