Patent · US Expired

Multi-component system for modifying, degrading or bleaching lignin, lignin-containing materials or similar substances

US6258209A · kind A · utility

8Cited by

2References

2Claims

0Family size

Assignee

Consortium für elektrochemische Industrie GmbH · DE

Inventors

Jürgen Stohrer · Pullach, DE
Hans-Peter Call · Übach-Palenberg, DE
Johannes Freudenreich · Munich, DE
Manfred Amann · San Antonio, US
Robert Muller · Monsheim, DE

Key dates

Filing date	Aug 5, 1997
Grant date	Jul 10, 2001
Priority date	—
Expiry date	Aug 5, 2017

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21C9/1036
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Multi-component system for modifying, degrading or bleaching lignin, lignin-containing materials or similar substances, includes (a) if appropriate at least one oxidation catalyst; (b) at least one suitable oxidizing agent; and (c) at least one mediator, wherein the mediator is chosen from the group consisting of N-aryl-N-hydroxyamides.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.