EP 0418201 A2 19910320 - Bleaching wood pulp with enzymes.
Title (en)
Bleaching wood pulp with enzymes.
Title (de)
Bleichen von Holzstoff mit Enzymen.
Title (fr)
Blanchiment de pâte de bois avec des enzymes.
Publication
Application
Priority
- GB 8920595 A 19890912
- GB 8920596 A 19890912
Abstract (en)
Wood pulp may be delignified enzymatically with very good results when treating it with a lignin peroxidase in the absence of a peroxide and when the enzyme is firstly chemically modified in such a way that it does not adsorb to the pulp.
IPC 1-7
IPC 8 full level
C12S 3/08 (2006.01); D21C 5/00 (2006.01); D21C 9/10 (2006.01); D21C 9/147 (2006.01)
CPC (source: EP)
D21C 5/005 (2013.01); D21C 9/147 (2013.01)
Designated contracting state (EPC)
CH DE ES FR GB IT LI SE
DOCDB simple family (publication)
EP 0418201 A2 19910320; EP 0418201 A3 19920923; EP 0418201 B1 19941221; AU 6232390 A 19910321; AU 646403 B2 19940224; BR 9004525 A 19910910; CA 2025079 A1 19910313; DE 69015294 D1 19950202; DE 69015294 T2 19950518; ES 2067719 T3 19950401; FI 904456 A0 19900910; JP H03104993 A 19910501; NO 178201 B 19951030; NO 178201 C 19960207; NO 903924 D0 19900910; NO 903924 L 19910313; PT 95273 A 19910522
DOCDB simple family (application)
EP 90810681 A 19900910; AU 6232390 A 19900910; BR 9004525 A 19900911; CA 2025079 A 19900911; DE 69015294 T 19900910; ES 90810681 T 19900910; FI 904456 A 19900910; JP 24017190 A 19900912; NO 903924 A 19900910; PT 9527390 A 19900911