Dye compositions
AssigneeVelsicol Chemical Corporation
InventorsRemus I. Lazar, Richard C. Reichel
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Abstract
This invention discloses compositions and methods for dyeing natural proteinaceous and synthetic polyamide fibers, particularly wool, silk and nylons, utilizing dye assistants effective with both acid and disperse dyes, such assistants being synergistic combinations of (a) dicyclopentenyl alcohol with (b) certain other materials, none of the components in either (a) or (b) being, in themselves, effective dye assistants for both acid and disperse dyes.
Claims5
The dye composition comprising one part by weight C.I. Disperse Blue 79 dye and from 1 to 20 parts by weight of a dye assistant comprising a combination of:
- (A) from 10 to 90 parts by weight dicyclopentenyl alcohol and
- (B) from 90 to 10 parts by weight of a material selected from the group consisting of butyl and benzoate and dibenzyl ether.
Dependencies are inferred from the claim text.