(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