(19)
(11) EP 0 670 929 A1

(12)

(43) Date of publication:
13.09.1995 Bulletin 1995/37

(21) Application number: 94901142.0

(22) Date of filing: 25.11.1993
(51) International Patent Classification (IPC): 
D21C 9/ 10( . )
D21C 9/ 16( . )
(86) International application number:
PCT/SE1993/001018
(87) International publication number:
WO 1994/012722 (09.06.1994 Gazette 1994/13)
(84) Designated Contracting States:
AT DE ES FR PT SE

(30) Priority: 27.11.1992 SE 19920003584
26.01.1993 SE 19930000225

(71) Applicant: EKA NOBEL AB
S-445 80 Bohus (SE)

(72) Inventors:
  • LINSTEN, Magnus
    S-442 32 Kungälv (SE)
  • BASTA, Jiri
    S-433 49 Partille (SE)
  • HÄLLSTRÖM, Ann-Sofie
    S-411 05 Göteborg (SE)

(74) Representative: Schöld, Zaid 
Eka Nobel AB Patent Department Box 11556
S-100 61 Stockholm
S-100 61 Stockholm (SE)

   


(54) PROCESS FOR BLEACHING OF LIGNOCELLULOSE-CONTAINING PULP