| (84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FI FR GB IT LI NL PT |
|
Designated Extension States: |
|
LT LV RO |
| (30) |
Priority: |
12.12.1997 SE 9704632 18.05.1998 US 85807 P
|
| (43) |
Date of publication of application: |
|
18.10.2000 Bulletin 2000/42 |
| (73) |
Proprietor: Hydrotech Veolia Water Systems Aktiebolag |
|
235 32 Vellinge (SE) |
|
| (72) |
Inventors: |
|
- MOHLIN, Anders
S-231 92 Trelleborg (SE)
- RALVERT, Åke
S-281 36 Hässleholm (SE)
|
| (74) |
Representative: Bjerre, Nils Birger Johannes et al |
|
AWAPATENT AB,
P.O. Box 5117 200 71 Malmö 200 71 Malmö (SE) |
| (56) |
References cited: :
WO-A-91/17806 WO-A1-97/35656 US-A- 3 491 886
|
WO-A1-94/19088 DE-A- 1 461 437 US-A- 5 084 174
|
|
| |
|
|
|
|