Patent ID: 7229736

Claim:
A liquid electrographic toner composition comprising: a) a liquid carrier having a Kauri-Butanol number less than about 30 mL; b) a plurality of toner particles dispersed in the liquid carrier, wherein the toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D material portions and wherein the amphipathic copolymer has at least one acidic or basic functionality covalently bonded thereto; and c) a wax component associated with the toner particle; wherein the wax component and the amphipathic copolymer each comprise at least one of a Lewis acid and a Lewis base pair in an amount sufficient to form weak, reversible intermolecular non-covalent bonds resulting from acid/base interactions between the wax component and the amphipathic copolymer.