Bi -and polyfunctional reactive dyestuffs, their prepartion and their use

US5597902A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Konrad Bootz · Wetter, DE
• Manfred Hoppe · Kürten, DE
• Eckhard Bock · Kempten (Allgäu), DE
• Wolfram Reddig · Bensberg, DE
• Thomas Eizenh ofer · Cologne, DE
• Wolfgang Harms · Leverkusen, DE
• Karl-Joseph Herd · Odenthal, DE

Key dates

• Filing date: Apr 27, 1993
• Grant date: Jan 28, 1997
• Expiry date: Apr 27, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C381/02
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Reactive dyestuffs which, in the form of the free acid, correspond to the following formula ##STR1## wherein D is the radical of an organic dyestuff of the monoazo, polyazo or metal complex azo series and the other substituents have the meaning given in the description, show improved application properties.