Heterocyclic azo dyes with couplers having sulfoaralkyl groups

This invention relates to azo dyes prepared by diazotizing substituted or unsubstituted heterocyclic amines such as 2-aminothiophene and coupling with certain aniline, tetrahydroquinoline, or benzomorpholine compounds containing sulfoaralkyl groups. These dyes are particularly useful in dyeing polya...

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Bibliographic Details
Main Authors COATES, JR.; CLARENCE A, WEAVER; MAX A
Format Patent
LanguageEnglish
Published 10.07.1984
Subjects
ADHESIVES
CHEMISTRY
DYES
LAKES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
PAINTS
POLISHES
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Summary:This invention relates to azo dyes prepared by diazotizing substituted or unsubstituted heterocyclic amines such as 2-aminothiophene and coupling with certain aniline, tetrahydroquinoline, or benzomorpholine compounds containing sulfoaralkyl groups. These dyes are particularly useful in dyeing polyamide fibers, cellulose acetate fibers and wool.
Bibliography:Application Number: US19830501223