Title:
ENZYMATIC METHODS FOR DYEING WITH REDUCED VAT AND SULFUR DYES
Document Type and Number:
WIPO Patent Application WO2000031333
Kind Code:
A3
Abstract:
The present invention relates to methods for dyeing a material, comprising (a) treating the material with a dyeing system which comprises one or more reduced vat dyes and/or one or more reduced sulfur dyes: and (b) oxidizing the one or more reduced vat dyes or one or more reduced sulfur dyes adsorbed onto the treated material with an oxidation system comprising (i) an oxygen source and one or more enzymes exhibiting oxidase activity or (ii) a hydrogen peroxide source and one or more enzymes exhibiting peroxidase activity, to convert the one or more reduced dyes to their original oxidized insoluble colored forms; wherein the material is a fabric, yarn, fiber, garment or film made of cotton, diacetate, flax, fur, hide, leather, linen, lyocel, polyacrylic, polyamide, polyester, ramie, rayon, silk, tencel, triacetate, viscose or wool.
Inventors:
XU FENG
SALMON SONJA
DEUSSEN HEINZ-JOSEF WILHELM
LUND HENRIK
SALMON SONJA
DEUSSEN HEINZ-JOSEF WILHELM
LUND HENRIK
Application Number:
PCT/US1999/027609
Publication Date:
September 08, 2000
Filing Date:
November 18, 1999
Export Citation:
Assignee:
NOVO NORDISK BIOTECH INC (US)
NOVO NORDISK AS (DK)
NOVO NORDISK BIOCHEM INC (US)
NOVO NORDISK AS (DK)
NOVO NORDISK BIOCHEM INC (US)
International Classes:
D06P1/22; D06P1/24; D06P1/30; C12S11/00; D06P1/46; D06P1/673; D06P3/24; D06P3/30; D06P3/32; D06P3/40; D06P3/46; D06P3/52; D06P3/60; D06P3/70; D06P5/20; (IPC1-7): D06P1/22; D06P1/00; D06P1/30
Domestic Patent References:
| WO1997023684A1 | 1997-07-03 | |||
| WO1998005816A1 | 1998-02-12 |
Foreign References:
| FR2692782A1 | 1993-12-31 |
Other References:
DATABASE WPI Section Ch Week 199505, Derwent World Patents Index; Class D16, AN 1995-033019, XP002030254
DATABASE WPI Section Ch Week 199630, Derwent World Patents Index; Class A11, AN 1996-295885, XP002030255
DATABASE WPI Section Ch Week 199021, Derwent World Patents Index; Class A35, AN 1990-161489, XP002030252
DATABASE WPI Section Ch Week 199630, Derwent World Patents Index; Class A11, AN 1996-295885, XP002030255
DATABASE WPI Section Ch Week 199021, Derwent World Patents Index; Class A35, AN 1990-161489, XP002030252
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