公开(公告)号：DE59705154D1

公开(公告)日：2001-12-06

申请号：DE59705154

申请日：1997-08-13

Applicant: BASF AG

Inventor： HOFFMANN DIETRICH ,  SCHLOESSER DR ,  CZECH DR ,  KURTZ DR ,  BECK DR ,  CAMPBELL DOUG R

IPC: C09B33/10 ,  C09B67/22 ,  C09B67/26 ,  C09B67/36 ,  C09D5/08 ,  C09D7/12 ,  C09D11/00 ,  C09D11/037 ,  C09D11/16 ,  C09D11/17 ,  C09D11/32 ,  C09D17/00 ,  C09D171/02

Abstract: Aqueous dye formulations contain 0.1-15 wt.% dye, of which 90-100 wt% is an anionic disazo dye, which is a 4,4'-bis(7-amino-1-hydroxy-3-sulpho-naphthyl-2-azo)-stilbene-2,2'-disu lphonate salt of formula (I), 1-40 wt.% carbon black and 0.1-15 wt.% polyethylene glycol (PEG); in which Kat = the equivalent of a metal or ammonium ion. Also claimed are inks containing the formulation, water and optionally water-miscible organic solvent and aqueous-alcoholic varnish colours or printing inks containing the formulation, water and 1-4 carbon alkanol(s).