Patent · US Expired

Process for removal of excess dye from printed or dyed fabric or yarn

US6409771B1 · kind B1 · utility

1Cited by

4References

21Claims

0Family size

Assignee

Novozymes A/S · DK

Inventors

Ture Damhus · Copenhagen, DK
Uwe Vogt · Monheim, DE
Palle Schneider · Copenhagen, DK

Key dates

Filing date	May 11, 2001
Grant date	Jun 25, 2002
Priority date	—
Expiry date	May 11, 2021

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P5/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention provides a process for removal of excess dye from newly manufactured printed or dyed fabric or yarn, comprising treatment with a rinse liquor comprising at least one enzyme selected from the group consisting of enzymes exhibiting peroxidase activity or laccase activity, an oxidation agent, and at least one mediator comprising N-hydroxyacetanilide.

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