Patent ID: 11960241
Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Field: Optics (Instruments)
Classification: CPC C  G  B | IPC B  G

Claim 0:
1. A liquid electrophotographic ink composition, consisting of:
a resin;
a liquid carrier;
a pigment chosen from titanium oxide;
a spacer selected from the group consisting of barium sulfate, clay, magnesium silicate, and mixtures thereof, the spacer being present in an amount from 5 to 15 wt. % of the total solids of the composition;
optionally, a charge adjuvant selected from the group consisting of aluminum distearate, aluminum tristearate, aluminum dipalmitate, aluminum tripalmitate, and combinations thereof; and
optionally, an additive selected from the group consisting of waxes, surfactants, biocides, organic solvents, viscosity modifiers, pH adjusters, sequestering agents, preservatives, compatibility additives, emulsifiers, and combinations thereof.