Polymeric dyes based on poly(amidoamines)

    公开(公告)号:US11149147B2

    公开(公告)日:2021-10-19

    申请号:US15772726

    申请日:2016-11-02

    申请人: Archroma IP GmbH

    发明人: Rainer Nusser

    摘要: Colorant of formula (I): wherein A signifies a monovalent organic residue comprising a chromophore group; B signifies a bivalent organic residue selected from the class consisting of aromatic, heteroaromatic, cycloaliphatic and aliphatic groups containing from 2 to 10 carbon atoms, optionally substituted; and C signifies the residue of compound comprising at least one amido group, one primary amino group, and one secondary amino group, wherein C is linked to B via a nitrogen atom of an amino group, wherein said compound is a poly(amidoamine).