ORGANIC PIGMENTS, PROCESS FOR PREPARING THEM AND THEIR USE IN PAINTS

摘要

2078124 9113943 PCTABS00007 The invention relates to an organic pigment, preferably an azoic pigment, characterized in that it has been treated with polyalkylene imine with a view to improving its characteristics when used in painting. This treatment can be carried out both on an organic pigment treated by known methods and on an untreated pigment. A treated pigment is generally preferred, however, particularly if maximum opacity is desired.