Patent · US Expired

Reactive dyes, processes for their manufacture and their use

US4330469A · kind A · utility

11Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 1980
Grant dateMay 18, 1982
Priority date
Expiry dateNov 25, 2000

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06P1/38
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention provides reactive dyes of the formula ##STR1## wherein Pc is the radical of a copper or nickel phthalocyanine, X is a substituted or unsubstituted amino group, A is an alkylene or arylene radical, Y is a removable or non-removeable substituent, W is sulfo or carboxyl, and Z is a reactive radical, and a, b and c are whole or fractional numbers, with the proviso that each of a and c is at least 1, b is a value between 0 and 2 and the sum of a+b+c must be 4.

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