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 both with acid and disperse dyes, such assistants being combinations of a mixture of lower esters of chlorinated benzoic acids with a mixture of lower alkyl esters of toluic and benzoic acids.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

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

Application Number: 912170
Filing Date: 1978-06-05
Publication_date: 1980-10-21
Assignee: Velsicol Chemical Corporation (Chicago, IL)
Primary Class(es): 8/583 8/597
Other Classes:
US Patent Ref:

2881045	Apr, 1959	Mecco et al.	8/173.
3203753	Aug, 1965	Sherburne	8/93.
3625011	Dec, 1975	Boehmke	8/173.
3700405	Oct, 1972	Petite et al.	8/173.

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