(19)
(11)
EP 0 261 110 A1
(12)
(43)
Date of publication:
30.03.1988
Bulletin 1988/13
(21)
Application number:
86901880.0
(22)
Date of filing:
19.03.1986
(51)
International Patent Classification (IPC):
B01D
53/
50
( . )
C01F
11/
46
( . )
B03D
1/
02
( . )
C04B
11/
26
( . )
(86)
International application number:
PCT/FI1986/000027
(87)
International publication number:
WO 1987/005530
(
24.09.1987
Gazette 1987/21)
(84)
Designated Contracting States:
DE FR GB SE
(71)
Applicant:
Insinööritoimisto LISOP OY
SF-04201 Kerava (FI)
(72)
Inventor:
JÄRVENPÄÄ, Viljo, Juhana
SF-04200 Kerava (FI)
(74)
Representative:
Struif, Bernward, Dipl.-Chem. Dr., et al
Patentanwaltsbüro Tiedtke, Bühling, Kinne Grupe, Pellmann, Grams, Struif,Winter, Roth Bavariaring 4
D-80336 München
D-80336 München (DE)
(54)
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