(19)
(11) EP 0 605 565 A1

(12)

(43) Date of publication:
13.07.1994 Bulletin 1994/28

(21) Application number: 92920388.0

(22) Date of filing: 16.09.1992
(51) International Patent Classification (IPC): 
D21C 9/ 153( . )
D21C 11/ 00( . )
(86) International application number:
PCT/SE1992/000635
(87) International publication number:
WO 1993/006297 (01.04.1993 Gazette 1993/09)
(84) Designated Contracting States:
AT DE ES FR

(30) Priority: 17.09.1991 SE 19910002693

(71) Applicant: Mo och Domsjö Aktiebolag
S-89101 Örnsköldsvik (SE)

(72) Inventors:
  • BRÄNNLAND, Rolf Carl August
    S-161 29 Bromma (SE)
  • NOREUS, Sture Erik Olof
    S-890 35 Husum (SE)

(74) Representative: Weinhold, Peter, Dr., et al 
Patentanwälte Dr. Weinhold, Dannenberg, Dr. Gudel, Schubert Siegfriedstrasse 8
D-80803 München
D-80803 München (DE)

   


(54) A METHOD IN OZONE BLEACHING OF PULP