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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
C01B 33/00 |
| (11) | Number of the document | 3803 |
| (13) | Kind of document | B |
| (21) | Application number | IP2040 |
| (22) | Date of filing the application | 1994-09-19 |
| (41) | Date of publication of the application | 1995-07-25 |
| (45) | Date of publication of patent | 1996-03-25 |
| (71) |
Kauno technologijos universitetas,
K. Donelaičio g. 73, 3006 Kaunas,
LT
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| (72) |
Kęstutis SASNAUSKAS, LT
Vytautas SASNAUSKAS, LT |
| (73) |
Kauno technologijos universitetas,
K. Donelaičio g. 73, 3006 Kaunas,
LT
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| (74) |
| (54) | PROCESS FOR THE PREPARATION OF CALCIUM HYDROSILICATES |
| Payment date | Validity (years) | Amount | |
| 1999-09-20 | 6 | 240.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2000-09-19 |