Dyestuff salts

US4115379A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Hermann Perrey · Krefeld, DE
• Karlheinz Wolf · Leverkusen, DE
• Erich Eimers · Krefeld, DE
• Konrad Nonn
• Reinhold Hornle

Key dates

• Filing date: Aug 3, 1976
• Grant date: Sep 19, 1978
• Expiry date: Aug 3, 1996

Classification

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

Abstract

Anionic dyestuffs which contain, as the cation an ammonium ion of the formula ##STR1## wherein R.sub.1 and R.sub.2 independently of one another denote hydrogen, C.sub.1 -C.sub.6 -alkyl which is optionally substituted by hydroxyl, cyclopentyl, cyclohexyl or phenyl, naphthyl or benzyl which are optionally substituted by halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, or one of the radicals --(CH.sub.2 --X--O).sub.n --H, [-alkylene-N (R.sub.3 --].sub.P --R.sub.3 or -arylene-N (R.sub.3)--(CH.sub.2 --X--O).sub.n --H or denotes, together with the nitrogen atom, a 5-membered to 7-membered heterocyclic radical, PA1 R.sub.3 denotes hydrogen, C.sub.1 -C.sub.6 -alkyl which is optionally substituted by OH, cyclopentyl, cyclohexyl or phenyl, naphthyl or benzyl which are optionally substituted by halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, or the radical --(CH.sub.2 --X--O).sub.n --H, PA1 X represents ##STR2## n represents the numbers 1-10, preferably 1-5, and P REPRESENTS THE NUMBERS 1-4 Are readily soluble in water.