(19)
(11) EP 2 074 257 A1

(12)

(43) Date of publication:
01.07.2009 Bulletin 2009/27

(21) Application number: 07794198.7

(22) Date of filing: 29.08.2007
(51) International Patent Classification (IPC): 
D21C 9/18(2006.01)
D21H 21/10(2006.01)
(86) International application number:
PCT/SE2007/050588
(87) International publication number:
WO 2008/036031 (27.03.2008 Gazette 2008/13)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

(30) Priority: 22.09.2006 EP 06121100

(71) Applicants:
  • Akzo Nobel N.V.
    6800 SB Arnhem (NL)
  • EKA Chemicals AB
    445 80 Bohus (SE)

    SE 

(72) Inventors:
  • GRESCHIK, Thomas, Christopher
    S-416 60 Göteborg (SE)
  • JOHANSSON-VESTIN, Hans
    S-442 33 Kungälv (SE)
  • FÄGERSTEN, Håkan
    S-442 60 Kode (SE)

(74) Representative: Schalkwijk, Pieter Cornelis 
Akzo Nobel N.V. Intellectual Property Department P.O. Box 9300
6800 SB Arnhem
6800 SB Arnhem (NL)

   


(54) TREATMENT OF PULP