(19)
(11) EP 2 212 469 A2

(12)

(88) Date of publication A3:
22.10.2009

(43) Date of publication:
04.08.2010 Bulletin 2010/31

(21) Application number: 08851453.4

(22) Date of filing: 20.11.2008
(51) International Patent Classification (IPC): 
D21C 3/18(2006.01)
 D21C 3/20(2006.01)
(86) International application number:
PCT/FI2008/050671
(87) International publication number:
WO 2009/066007 (28.05.2009 Gazette 2009/22)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 20.11.2007 FI 20075823

(71) Applicant: VALTION TEKNILLINEN TUTKIMUSKESKUS
02044 VTT, Espoo (FI)

(72) Inventors:
  • MIKKONEN, Hannu
    FI-02044 Vtt (FI)
  • PELTONEN, Soili
    FI-02044 Vtt (FI)
  • KALLIOINEN, Anne
    FI-02044 Vtt (FI)
  • SUURNÄKKI, Anna
    FI-02044 Vtt (FI)
  • KUNNARI, Vesa
    FI-40101 Jyväskylä (FI)
  • MALM, Tero
    FI-33101 Tampere (FI)

(74) Representative: Arvela, Sakari Mikael et al
Seppo Laine Oy Itämerenkatu 3 B
FIN-00180 Helsinki
FIN-00180 Helsinki (FI)

   


(54) PROCESS FOR DEFIBERING A FIBROUS RAW-MATERIAL