Patent · US Expired

Mixtures of reactive dyes and their use

US6780204B2 · kind B2 · utility

2Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 2003
Grant dateAug 24, 2004
Priority date
Expiry dateFeb 26, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B67/0059
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Reactive dye mixtures comprising a black or navy reactive dye and a reactive disazo dye. The reactive dye mixtures of the present invention are suitable for exhaust dyeing, printing, continuous dyeing or discharge printing of a blended or interwoven fabric of cellulose fibres or cellulose nylon blends. The compounds of the present invention display good level dyeing properties, good build up and excellent low nylon cross-dyeing.

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