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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
B01J 8/18 F23C 10/00 F23L 9/00 |
| (11) | Number of the document | 2210 |
| (13) | Kind of document | B |
| (21) | Application number | RP730 |
| (22) | Date of filing the application | 1993-06-30 |
| (41) | Date of publication of the application | |
| (45) | Date of publication of patent | 1993-11-15 |
| (86) | Number | 1618287 |
| Date | 1988-10-28 |
| (30) | Number | Date | Country code |
| 861806 | 1986-04-30 | FI | |
| PCT/FI87/00056 | 1987-04-27 | WO |
| (71) |
A.AHLSTROM CORPORATION,
SF-29600 Noormarkku,
FI
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| (72) |
Folke ENGSTROM, US
Juhani ISAKSSON, FI Reijo KUIVALAINEN, FI |
| (73) |
FOSTER WHEELER ENERGIA OY,
Sentnerikuja 2, 00440 Helsinki,
FI
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| (74) |
Marius JAKULIS - JASON,
AAA Law, A. Goštauto g. 40B, Verslo centras "Dvyniai", LT-03163 Vilnius,
LT
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| (54) |
| Payment date | Validity (years) | Amount | |
| 1999-05-19 | 9 | 1000.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2000-06-30 |