Phthalocyanine reactive dyestuff mixture

US5709717A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wolfram Reddig · Bensberg, DE
• Karl-Josef Herd · Odenthal, DE
• Wolfgang Harms · Leverkusen, DE

Key dates

• Filing date: May 7, 1996
• Grant date: Jan 20, 1998
• Expiry date: May 7, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B67/0042
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A phthalocyanine reactive dyestuff mixture having improved color levelness and combination properties comprises at least one phthalocyanine-fluoropyrimidinyl reactive dyestuff 2 and at least one phthalocyanine-vinylsulfonyl reactive dyestuff 1 or at least one phthalocyanine-monochlorotriazinyl reactive dyestuff 3, as well as one or more yellow reactive dyestuffs of the formula 4 to 9.