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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2022.01) |
C04B 28/00 C04B 14/00 C04B 35/00 |
| (11) | Number of the document | 6889 |
| (13) | Kind of document | B |
| (21) | Application number | 2020 019 |
| (22) | Date of filing the application | 2020-05-26 |
| (41) | Date of publication of the application | 2021-12-10 |
| (45) | Date of publication of patent | 2022-02-10 |
| (71) |
Vilniaus Gedimino technikos universitetas,
Saulėtekio al. 11, 10223 Vilnius,
LT
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| (72) |
Jurgita MALAIŠKIENĖ, LT
Valentin ANTONOVIČ, LT Renata BORIS, LT Rimvydas STONYS, LT Viktor KIZINIEVIČ, LT Povilas ZDANEVIČIUS, LT |
| (73) |
Vilniaus Gedimino technikos universitetas,
Saulėtekio al. 11, 10223 Vilnius,
LT
|
| (74) |
| (54) | COMPOSITION OF REFRACTORY CHAMOTTE WITH IMPROVED MECHANICAL PROPERTIES AND ASR RESISTANCE |
| Payment date | Validity (years) | Amount | |
| 2022-05-06 | 3 | 81.00 EUR |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2023-05-26 |