Reactive dyestuffs

US4267107A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Manfred Groll · Leverkusen, DE
• Klaus Wunderlich · Waiblingen, DE

Key dates

• Filing date: May 29, 1979
• Grant date: May 12, 1981
• Expiry date: May 29, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B62/10
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Phthalocyanine reactive dyestuffs of the formula ##STR1## wherein Pc, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, B, R.sub.6, R.sub.7, R.sub.8, a, b and c have the meaning indicated in the description, and their use for dyeing textile materials containing hydroxyl groups and textile materials containing nitrogen, in particular textile materials made of natural and regenerated cellulose and furthermore made of wool, silk and synthetic polyamide fibers and polyurethane fibers. The resulting dyeings are distinguished by excellent fastness to wet processing.