(19)
(11)
EP 0 988 254 A1
(12)
(43)
Date of publication:
29.03.2000
Bulletin 2000/13
(21)
Application number:
98926015.3
(22)
Date of filing:
29.05.1998
(51)
International Patent Classification (IPC)
7
:
C02F
1/52
,
C02F
1/56
,
B01D
17/05
(86)
International application number:
PCT/SE9801/027
(87)
International publication number:
WO 9854/097
(
03.12.1998
Gazette 1998/48)
(84)
Designated Contracting States:
DE DK ES FI FR GB SE
(30)
Priority:
30.05.1997
SE 9702056
(71)
Applicant:
ERIKSSON, Tord Georg
S-175 23 Järfälla (SE)
(72)
Inventor:
ERIKSSON, Tord Georg
S-175 23 Järfälla (SE)
(54)
PROCESS AND AGENT FOR WATER PURIFICATION