Patent · US Expired

Reactive dye composition

US6171349A · kind A · utility

10Cited by
5References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 2, 1999
Grant dateJan 9, 2001
Priority date
Expiry dateJul 2, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B67/0047
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A reactive dye composition comprising (a) at least a black or navy reactive dye with good color fastness to laundering-oxidative bleach response; and (b) at least a red, orange, yellow or other shade of reactive azo dye. The dye composition of the present invention is suitable for use in dyeing fiber materials. It has good property in build-up, wash fastness, wash-off, and levelness, especially performing excellently in the properties of good color fastness to laundering-oxidative bleach response.

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