The present invention relates to a microencapsulated pigment in which pigment particles having cationic groups on their surfaces are coated with a polymer having repeating structural units derived from an anionic polymerizable surfactant having at least an anionic group, a hydrophobic group and a polymerizable...http://www.google.de/patents/US7812070?utm_source=gb-gplus-sharePatent US7812070 - Microencapsulated pigment, preparation process therefor, aqueous dispersion and ink jet recording ink
