Patent ID: 8809443
Filing Date: 2014-08-19
Classification: C07C,C09D

Abstract:
1. A composition comprising a particulate solid, a non-polar organic medium, and a compound obtained by reacting an aromatic amine with a hydrocarbyl-substituted acylating agent, wherein the aromatic amine comprises coupling products of 4-aminodiphenylamine represented by the formula (1a): wherein each variable R R U is an aliphatic, alicyclic or aromatic group, and when U is aliphatic, the aliphatic group is a linear or branched alkylene group containing 1 to 2 carbon atoms; and w is 0 to 9, wherein the hydrocarbyl-substituted acylating agent is an oligomer or polymer from condensation polymerisation of a hydroxy-substituted C wherein the particulate solid is a pigment or a filler.