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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
B01D 65/00 C12N 1/06 |
| (11) | Number of the document | 3501 |
| (13) | Kind of document | B |
| (21) | Application number | IP967 |
| (22) | Date of filing the application | 1993-09-10 |
| (41) | Date of publication of the application | 1995-03-27 |
| (45) | Date of publication of patent | 1995-11-27 |
| (30) | Number | Date | Country code |
| 2270/90 | 1990-07-06 | CH | |
| PCT/CH91/00134 | 1991-06-21 | WO |
| (71) |
BUCHER-GUYER AG Maschinenfabrik,
CH-8166 Niederweningen, Zuerich,
CH
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| (72) |
Eduard HARTMANN, CH
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| (73) |
BUCHER-GUYER AG Maschinenfabrik,
CH-8166 Niederweningen, Zuerich,
CH
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| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
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| (54) | WASHING PROCESS OF FILTRATION MODULUS FOR DEVICE OF CLARIFICATION FLUIDS |
| Payment date | Validity (years) | Amount | |
| 1999-08-24 | 8 | 560.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2000-09-10 |