Patent · US Expired

Navy-blue dye mixture of fiber-reactive azo dyes

US6319291A · kind A · utility

8Cited by
2References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 27, 2000
Grant dateNov 20, 2001
Priority date
Expiry dateJan 27, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S8/918
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to dye mixtures comprising one or more disazo dyes conforming to the formula (1) and one or more monoazo dyes corforming to the formula (2) ##STR1## wherein the variables are described in the specification.

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