Patent · US Expired

Isothiazolazo dyes having coupling components which are free from unsaturated aliphatic radicals

US4496480A · kind A · utility

5Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 1, 1983
Grant dateJan 29, 1985
Priority date
Expiry dateFeb 1, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B29/36
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Compounds of the general formula I ##STR1## where R is substituted alkyl and K is the radical of a coupling component free from unsaturated aliphatic radicals, are very useful for dyeing cellulose esters and synthetic polyesters.

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