Patent · US Expired

Aniline series azo reactive dyes ortho- or para-substituted by vinyl sulfonyl reactive groups

US4897469A · kind A · utility

4Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 1, 1988
Grant dateJan 30, 1990
Priority date
Expiry dateApr 1, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B62/4401
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Azo reactive dyes of the aniline series for dye or printing fiber materials of the formula ##STR1## wherein K is the radical of a coupling component, and Z is a vinyl sulfonyl reactive group ortho- or para- to the azo bridge.

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