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Title:
MULTICOMPONENT SYSTEM FOR MODIFYING, DECOMPOSING OR BLEACHING LIGNIN, LIGNIN-CONTAINING MATERIALS OR SIMILAR SUBSTANCES AND METHOD OF USING THIS SYSTEM
Document Type and Number:
WIPO Patent Application WO1996018770
Kind Code:
A3
Abstract:
System for transforming, degrading or bleaching lignin, lignin-contg. materials or similar materials, comprises a poly-component system comprising: (a) opt. ≥ 1 oxidation catalyst; (b) ≥ 1 oxidising agent; (c) ≥ 1 mediator selected from hydroxylamines, hydroxylamine derivs., hydroxamic acids, hydroxamic acid derivs. and aliphatic, cycloaliphatic, heterocyclic and aromatic cpds. which contain ≥ 1 N-hydroxy, oxime, N-oxy or N,N-dioxy function; (d) opt. ≥ 1 co-mediator selected from aryl-substd. alcohols, carbonyl cpds., aliphatic ethers, phenol ethers and alkenes; and (e) a small amt. of a free amine of one of the mediators used.

Inventors:
CALL HANS-PETER
Application Number:
PCT/EP1995/004965
Publication Date:
August 22, 1996
Filing Date:
December 15, 1995
Export Citation:
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Assignee:
LIGNOZYM GMBH (DE)
International Classes:
C08H6/00; C12S3/08; C08H7/00; C08H8/00; C12S3/00; D21C3/00; D21C5/00; D21C9/00; D21C9/10; (IPC1-7): D21C/
Domestic Patent References:
WO1994012621A11994-06-09
WO1994029510A11994-12-22
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