Patent ID: 8728223

Claim:
A dispersion comprising, a particulate material, a dispersant, and a solvent, wherein a) the solvent has a dielectric constant of ≦50; b) the dispersion is a stable dispersion having a viscosity of ≦50 cP; and c) the particulate material is present in an amount of ≧10% by weight based on the total weight of the dispersion, and wherein i) the particulate material is a modified pigment comprising a pigment having attached at least one anionic or anionizable group and the dispersant comprises at least one cationic or cationizable group; ii) the particulate material is a modified pigment comprising a pigment having attached at least one cationic or cationizable group and the dispersant comprises at least one anionic or anionizable group; or iii) the particulate material is a modified pigment comprising a pigment having attached at least one anionic or anionizable group and the dispersant comprises at least one anionic or anionizable group.