Halftone gravure printing inks containing pyridone azo dyestuffs
Heat stable monoazo red pigment compositions
Heavy metal complex azo dyes containing a benzothiophene-1,1-dio
Heavy metal-containing formazane dyes containing a fiber-reactiv
Heavy metal-containing monoazo dyes
Heterocyclic azo dyes
Heterocyclic azo dyes containing cyanothiophene derivatives as d
Heterocyclic azo dyes containing cyanothiophene derivatives as d
Heterocyclic monoazo dyes for polyester fibers
Hexakisazo dyes
Hexanitrotetrachloroazobenzene and method of preparation
High light fastness reactive red dyes
High molecular weight azoamide compound
High temperature process for preparing fiber reactive dyes
Hydrazone dye
Hydrolyzable silyl group-containing azo compound
Hydrophobic cationic dyes and thermal transfer ink ribbons using
Hydrophobic cationic dyes and thermal transfer ink ribbons using
Hydroxynaphthalenecarboxylic acid compounds and azo colorants ma
Hydroxypyridonemethide azo dyes