EP 0515362 B1 19940511 - BLEACHING OF LIGNOCELLULOSIC MATERIAL WITH DIOXIRANES.
Title (en)
BLEACHING OF LIGNOCELLULOSIC MATERIAL WITH DIOXIRANES.
Title (de)
VERFAHREN ZUM BLEICHEN VON LIGNOZELLULOSEHALTIGEM MATERIAL MIT DIOXIRANEN.
Title (fr)
BLANCHIMENT DE MATERIAU LIGNOCELLULOSIQUE A L'AIDE DE DIOXIRANES.
Publication
Application
Priority
CA 9000052 W 19900216
Abstract (en)
[origin: WO9112369A1] A process of bleaching a chemical pulp with a dioxirane produces a pulp of good quality and reduces environmental concerns in so doing. A chemical pulp is contacted with a dioxirane, and either with or without known bleaching agents, in combination or sequence.
IPC 1-7
IPC 8 full level
D21C 9/10 (2006.01); D21C 9/14 (2006.01); D21C 9/16 (2006.01)
CPC (source: EP)
D21C 9/144 (2013.01); D21C 9/16 (2013.01); D21C 9/163 (2013.01)
Designated contracting state (EPC)
DE FR SE
DOCDB simple family (publication)
WO 9112369 A1 19910822; AU 5168690 A 19910903; AU 641640 B2 19930930; BR 9007993 A 19921013; DE 69008870 D1 19940616; DE 69008870 T2 19940818; EP 0515362 A1 19921202; EP 0515362 B1 19940511; FI 102195 B1 19981030; FI 102195 B 19981030; FI 923644 A0 19920814; FI 923644 A 19920814; JP H05504173 A 19930701; JP H0718113 B2 19950301; NO 923145 D0 19920812; NO 923145 L 19920812
DOCDB simple family (application)
CA 9000052 W 19900216; AU 5168690 A 19900216; BR 9007993 A 19900216; DE 69008870 T 19900216; EP 90903735 A 19900216; FI 923644 A 19920814; JP 50385590 A 19900216; NO 923145 A 19920812