Lexmark International, Inc.

Robin Gnerlich Baskette

Jing X Sun

Bradley Leonard Beach

Ajay Kanubhai Suthar

Kathryn Dowlen Mullins

An ink composition comprises a colorant and an additive. The additive is selected from the group consisting of first dispersants synthesized from an aromatic mercaptan, a hydrophilic monomer, a hydrophobic polymeric reactant having a siloxyl substituent and a first stabilizing reactant; second dispersants synthesized from a non-aromatic mercaptan, a hydrophilic monomer, a hydrophobic polymeric reactant having a siloxyl substituent, and a second stabilizing reactant selected from the group consisting of nonylphenoxy (PEG),methacrylate, nonylphenoxy (PPG),methacrylate, nonylphenoxy (PEG),acrylate, nonylphenoxy (PPG),acrylate and mixtures thereof; humectant mixtures comprising a bis-hydroxy terminated thioether, a lactam, and a compound selected from the group consisting of polyalkylene glycols, polyol/alkylene oxide condensates and mixtures thereof; and mixtures thereof.

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Lexington, KY, United States of America

Robin Gnerlich Baskette