Title: Dispersant for textile dyeing and optical brightening

Abstract: A process for dyeing textile materials, containing natural and/or synthetic fibers, in an aqueous liquor by means of dyes which are sparingly soluble or insoluble in water, in the presence of dyeing assistants, wherein the dispersant used is a water-soluble sulfonic acid which is derived from a random copolymer of olefins of 3 to 6 carbon atoms and styrene and/or substituted styrenes and/or their alkali metal salts or ammonium salts.

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Inventors: Boerzel, Paul (Frankenthal, DE, US)
Freyberg, Peter (Speyer, DE, US)
Greif, Norbert (Bobenheim, DE, US)
Widder, Rudi (Leimen, DE, US)

Application Number: 974621
Filing Date: 1978-12-27
Publication_date: 1980-10-21
Assignee: BASF Aktiengesellschaft (DE)
Primary Class(es): 8/588 8/582
Other Classes:
US Patent Ref:

2638445	May, 1953	Young et al.	252/33.
3170004	Feb, 1965	Faragre	8/173.
3242127	Mar, 1966	Clark et al.	8/173.
4101274	Jul, 1978	Beutler et al.	8/173.

Other Refs: 49-27678

Dec, 1974	JP

Primary Examiner: Person, Sandra M.
Assistant Examiner:
Attorney: Keil & Witherspoon