Liquid dye salts

US4668789A · kind A · utility

Assignee

• BASF SE

Inventor

• Rudolf Bermes · Ludwigshafen, DE

Key dates

• Filing date: Dec 13, 1984
• Grant date: May 26, 1987
• Expiry date: Dec 13, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B69/04
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Novel compounds of the formula I ##STR1## where Cat.sym. is a secondary or tertiary alkylammonium cation of 16 to 30 carbon atoms and the aromatic rings can be further substituted by chlorine, bromine, methyl, methoxy or nitro, are useful for the preparation of low-electrolyte powder and liquid formulations or for coloring organic media.