Patent ID: 8414698
Filing Date: 2013-04-09
Classification: C01P,C04B,C09C

Abstract:
1. A pigment/auxiliary combination consisting essentially of: one or more chromatic pigments selected from chromatic iron oxide pigments, chromatic chromium oxide pigments, and chromatic mixed-phase rutile pigments, and one or more organic auxiliaries selected from the group consisting of partly or fully hydrolysed polyvinyl alcohols, modified carboxylates, alkyl sulphates, alkyl sulphonates, alkyl phosphates and alkyl phosphonates in the form of their alkali metal salts or mixtures thereof, where the organic auxiliaries are added in an amount of 0.01% to 20% by weight calculated as an active substance based on the inorganic pigment(s); wherein said pigment/auxiliary combination has either: further wherein said pigment/auxiliary combination is produced by a process selected from the group consisting of spray granulation, enlargement granulation and compacting granulation, and where said pigment/auxiliary combination is in granule form and is homogeneous.