(19)
(11)
EP 1 115 944 A1
(12)
(43)
Date of publication:
18.07.2001
Bulletin 2001/29
(21)
Application number:
99939478.6
(22)
Date of filing:
24.08.1999
(51)
International Patent Classification (IPC)
7
:
D21C
3/04
(86)
International application number:
PCT/FI9900/697
(87)
International publication number:
WO 0012/810
(
09.03.2000
Gazette 2000/10)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI
(30)
Priority:
27.08.1998
FI 981836
(71)
Applicant:
Metso Paper, Inc.
00130 Helsinki (FI)
(72)
Inventors:
JOHANSSON, Allan
FIN-00150 Helsinki (FI)
SIPILÄ, Kai
FIN-02200 Espoo (FI)
LEMINEN, Anja
FIN-00400 Helsinki (FI)
(74)
Representative:
Hakkila, Maini Annika et al
Forssén & Salomaa Oy,Yrjönkatu 30
00100 Helsinki
00100 Helsinki (FI)
(54)
METHOD FOR PREPARATION OF A FIBROUS STOCK OUT OF HERB-STEMMED PLANTS