Tetrazo dyestuffs

US5786459A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Frank-Michael Stohr · Odenthal, DE
• Peter Wild · Odenthal, DE

Key dates

• Filing date: Jul 5, 1996
• Grant date: Jul 28, 1998
• Expiry date: Jul 5, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B43/16
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the formula (I) ##STR1## have been found which are suitable for dyeing and printing hydroxyl- and/or amido-containing substrates, in particular for printing paper by the ink-jet method.