公开(公告)号：US3573946A

公开(公告)日：1971-04-06

申请号：US3573946D

申请日：1967-09-29

Applicant: BAYER AG

Inventor： WOLF KARLHEINZ ,  AIGN VOLKER ,  HORNLE REINHOLD ,  HAUS ARTUR

IPC: C09B41/00 ,  C09B67/18 ,  C09C3/08 ,  C09C3/02

CPC classification number: C09B67/002 ,  C01P2004/80 ,  C09B41/001 ,  C09C3/08

Abstract: ORGANIC OR INORGANIC PIGMENTS ARE TREATED BY CONTACT IN THE DRY OR DISPERSED FORM, WITH CYCLOALIPHATIC AMINE, PREFERABLY AT ELEVATED TEMPERATURES. OPTIONALLY, THE TREATED PIGMENTS ARE THEN ACIDIFIED. TREATED PIGMENTS EXHIBIT GOOD DISPERSIBILITY AND HIGH TINCTORIAL STRENGTH.