(19)
(11) EP 1 080 270 A1

(12)

(43) Date of publication:
07.03.2001 Bulletin 2001/10

(21) Application number: 99945723.7

(22) Date of filing: 08.04.1999
(51) International Patent Classification (IPC)7: D21H 21/54
// D21H21:10
(86) International application number:
PCT/SE9900/574
(87) International publication number:
WO 9954/551 (28.10.1999 Gazette 1999/43)
(84) Designated Contracting States:
DE ES FI FR GB IT NL SE

(30) Priority: 23.04.1998 EP 98850061
23.04.1998 US 82784 P

(71) Applicants:
  • AKZO NOBEL N.V.
    6800 SB Arnhem (NL)

    DE ES FI FR GB IT NL SE 
  • Eka Chemicals AB
    445 80 Bohus (SE)

    SE 

(72) Inventors:
  • SIKKAR, Rein
    S-448 34 Floda (SE)
  • PERSSON, Michael
    S-413 21 Göteborg (SE)
  • NORELL, Maria
    S-436 51 Hov s (SE)

(74) Representative: Jönsson, Christer 
Eka Chemicals AB,Patent Department,Box 11556
100 61 Stockholm
100 61 Stockholm (SE)

   


(54) A PROCESS FOR THE PRODUCTION OF PAPER