Patent · US Expired

Dyestuff mixtures, process for their preparation and process for dyeing and printing hydrophobic fiber materials

US4620853A · kind A · utility

3Cited by
0References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 9, 1985
Grant dateNov 4, 1986
Priority date
Expiry dateDec 9, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S534/01
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Dyestuff mixtures which contain dyestuffs (A) of the formula ##STR1## and dyestuff (B) of the formula ##STR2## in an (A):(B) weight ratio of (80 to 60):(20 to 40) useful for dyeing and printing hydrophobic fiber materials.

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