Aqueous dyestuff dispersions

US4186029A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Volker Aign · Monheim, DE
• Hans Schulze · Cologne, DE
• Fritz Bremer · Leverkusen, DE
• Reinhold Hornle
• Karlheinz Wolf · Leverkusen, DE
• Wilhelm Berlenbach · Burscheid, DE
• Peter Rasche · Aachen, DE

Key dates

• Filing date: Jul 19, 1978
• Grant date: Jan 29, 1980
• Expiry date: Jul 19, 1998

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06P1/6135
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Aqueous dyestuff dispersions which contain water-insoluble dyestuffs and water-soluble oxyalkylation products of compounds which are obtainable by the addition of styrene or its derivatives onto phenols or naphthols, or derivatives of such oxyalkylation products, are suitable for pigmenting natural or synthetic materials.