Invention Grant
US09388320B2 Water cleanable phase change ink for ophthalmic lens marking 有权
用于眼科镜片标记的水可清洗相变油墨

Water cleanable phase change ink for ophthalmic lens marking
Abstract:
A water dispersible phase change ink composition for printing on ophthalmic lenses including a hydrophilic wax having at least one ethoxyl moiety; a low viscosity wax having at least one hydroxyl group, wherein the low viscosity wax is miscible with the hydrophilic wax; an optional stabilizer; and a colorant. A ink jet printer stick or pellet comprising the water dispersible phase change ink composition.
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