Patent · US Expired

Heavy metal-containing formazane dyes containing a fiber-reactive fluorotriazine group

US4556706A · kind A · utility

16Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1980
Grant dateDec 3, 1985
Priority date
Expiry dateApr 28, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B62/046
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Dyes of formula ##STR1## wherein D is the radical of a formazane dye of formula ##STR2## X is a group which is capable of complex formation, Z is a --NH.sub.2 group, a substituted or unsubstituted aliphatic or aromatic amino group, n is 1 or 2 and m is an integer from 2 to 5, and the benzene rings A, B and C can contain further substituents in addition to the --SO.sub.3 H groups and the radicals of formula ##STR3##

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