Abstract: The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen. The present invention relates to a 1:2 chromium complex dye of formula (I): wherein all substituents are as defined in the claims, a process for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.
Type:
Grant
Filed:
September 26, 2002
Date of Patent:
August 16, 2005
Assignee:
Clariant Finance (BVI) Limited
Inventors:
Rainer Nusser, Georg Schoefberger, Reinhard Pedrazzi