LT - Fosforo ir sunkiųjų metalų, patenkančių dirbama žeme į ežerus ir vandenvietes, kiekio sumažinimo būdas
EN - A METHOD FOR REDUCING THE PHOSPHORUS AND HEAVY METAL LOAD IMPOSED ON LAKES AND WATERWAYS BY FARMLANDS
Legal status
Patent lapsed (non-payment of fees)
Bibliographic data
Indications of the International Patent Classification (IPC)
| (51) |
INT.CL.: (2006.01) |
B09C 1/00
|
Patent
| (11) |
Number of the document |
3435 |
| (13) |
Kind of document |
B |
| (21) |
Application number |
IP902 |
| (22) |
Date of filing the application |
1993-08-30 |
| (41) |
Date of publication of the application |
1995-03-27 |
| (45) |
Date of publication of patent |
1995-10-25 |
Priority applications
| (30) |
Number |
Date |
Country code |
|
910640 |
1991-02-08
|
FI |
|
PCT/FI92/00018 |
1992-01-28
|
WO |
Applicant
| (71) |
OY PARTEK AB,
SF-21600 Parainen,
FI
|
Inventors
| (72) |
Kjell Jonny Maurits WEPPLING, FI
Kjell Anders Martin DAHLBERG, FI
Jukka Kalervo PALKO, FI
|
Grantee
| (73) |
OY PARTEK AB,
SF-21600 Parainen,
FI
|
Attorney or representative
| (74) |
Rita LAURINAVIČIŪTĖ,
Gedimino pr. 45-6, LT-01109 Vilnius,
LT
|
Title
| (54) |
A METHOD FOR REDUCING THE PHOSPHORUS AND HEAVY METAL LOAD IMPOSED ON LAKES AND WATERWAYS BY FARMLANDS
|
Last renewal fee
|
Payment date |
Validity (years) |
Amount |
|
2005-08-08 |
13 |
1000.00
LTL
|
Legal status
|
Patent lapsed (non-payment of fees)
|
|
|
Invalidation date |
2006-08-30 |
