Title: Dye compositions

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.

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Inventors: Lazar, Remus I. (Berwyn, IL, US)
Reichel, Richard C. (Chicago, IL, US)

Application Number: 912169
Filing Date: 1978-06-05
Publication_date: 1980-10-21
Assignee: Velsicol Chemical Corporation (Chicago, IL)
Primary Class(es): 8/435 8/404, 8/582, 8/587, 8/594
Other Classes:
US Patent Ref:

3342542	Sep, 1967	Morf et al.	8/93.
3467484	Sep, 1969	Hermes	8/93.
3634016	Jan, 1972	Rose et al.	8/54.
3877870	Apr, 1975	Dellian et al.	8/92.
3923453	Dec, 1975	Lazar et al.	8/39.
3932128	Jan, 1976	Beaulieu	8/178.

Other Refs:
Primary Examiner: Schofer, Joseph L.
Assistant Examiner: Tungol, Maria S.
Attorney: Olesch; Dietmar, Schwarz; Robert J.