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US 5,492,559 AGranted
Liquid crystalline microemulsion ink compositions
AssigneeXerox Corporation
InventorsJohn F. Oliver, Marcel P. Breton, Stig E. Friberg, Raymond W. Wong, William M. Schwarz
Life of this patent
Estimating the term…
Abstract
Disclosed is an ink composition which comprises an aqueous phase, an oil phase, an oil-soluble dye, and a surfactant, said ink exhibiting a liquid crystalline gel phase at a first temperature and a liquid microemulsion phase at a second temperature higher than the first temperature.
Claims33
An ink composition which comprises an aqueous phase, an oil phase, an oil-soluble dye, and a surfactant, said ink exhibiting a liquid crystalline gel phase at a first temperature and a liquid microemulsion phase at a second temperature higher than the first temperature.
Dependencies are inferred from the claim text.