LT - Nutekamųjų vandenų, turinčių sunkiųjų metalų jonų, nukenksminimo būdas
EN - PROCESS FOR PROCESSING VASTE WATER CONTAINING HEAVY METALS IONS
Legal status
Patent lapsed (non-payment of fees)
Bibliographic data
Indications of the International Patent Classification (IPC)
| (51) |
INT.CL.: (2006.01) |
C02F 1/72
|
Patent
| (11) |
Number of the document |
4358 |
| (13) |
Kind of document |
B |
| (21) |
Application number |
97-177 |
| (22) |
Date of filing the application |
1997-11-14 |
| (41) |
Date of publication of the application |
1998-05-25 |
| (45) |
Date of publication of patent |
1998-07-27 |
Applicant
| (71) |
Chemijos institutas,
A. Goštauto g. 9, 2600 Vilnius,
LT
|
Inventors
| (72) |
Romas RAGAUSKAS, LT
Tomas Petras VENGRIS, LT
|
Grantee
| (73) |
Chemijos institutas,
A. Goštauto g. 9, 2600 Vilnius,
LT
|
Attorney or representative
| (74) |
Virgina Adolfina DRAUGELIENĖ,
UAB TARPINĖ, A.P.Kavoliuko g. 24-152, LT-04328 Vilnius,
LT
|
Title
| (54) |
PROCESS FOR PROCESSING VASTE WATER CONTAINING HEAVY METALS IONS
|
Last renewal fee
|
Payment date |
Validity (years) |
Amount |
|
1999-09-20 |
3 |
140.00
LTL
|
Legal status
|
Patent lapsed (non-payment of fees)
|
|
|
Invalidation date |
2000-11-14 |