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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
C02F 1/28 |
| (11) | Number of the document | 5104 |
| (13) | Kind of document | B |
| (21) | Application number | 2002 056 |
| (22) | Date of filing the application | 2002-05-09 |
| (41) | Date of publication of the application | 2003-11-25 |
| (45) | Date of publication of patent | 2004-02-25 |
| (71) |
Vilniaus Gedimino technikos universitetas,
Saulėtekio al. 11, 2040 Vilnius,
LT
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| (72) |
Marina VALENTUKEVIČIENĖ, LT
Juozas JANKAUSKAS, LT |
| (73) |
Vilniaus Gedimino technikos universitetas,
Saulėtekio al. 11, 2040 Vilnius,
LT
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| (74) |
Vaiva LAUKAITIENĖ,
Saulėtekio al. 11, 2040 Vilnius,
LT
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| (54) | USE OF NATURAL ADSORBENT FOR GROUND WATER PURIFICATION |
| Payment date | Validity (years) | Amount | |
| 2006-05-02 | 5 | 400.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2007-05-09 |