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US 2009/0181222 A1Published application
Hot melt inks
AssigneeMarkem Corporation
InventorsAnn Reitnauer, DeAva Lambert
Life of this patent
Estimating the term…
Abstract
A method for forming a mark on a substrate is disclosed. The method includes: (a) heating an edible hot melt ink including a colorant to a temperature sufficient to liquify the ink; and (b) transferring the ink to a substrate to provide a mark on the substrate.
Claims29
A method of forming a mark, the method comprising:
- heating an edible hot melt ink to a temperature sufficient to liquefy the ink;
- and
- ejecting droplets of the melted ink from a pumping chamber of a drop-on-demand piezoelectric inkjet printhead to form a mark upon the surface of a substrate, the mark having a resolution of at least 50 dpi;
- wherein the ink comprises an edible wax;
- and
- wherein the ink has a melting temperature of between 40° C. and 100° C.
3 more elements
A method of forming a mark, the method comprising:
- heating an edible hot melt ink to a temperature sufficient to liquefy the ink;
- and
- ejecting droplets of the melted ink from a pumping chamber of a drop-on-demand piezoelectric inkjet printhead to form a mark upon the surface of a substrate, the mark having a resolution of at least 50 dpi;
- wherein the ink comprises an edible wax and an edible colorant;
- and
- wherein the ink has a melting temperature of between 40° C. and 100° C.
3 more elements
A method of forming a mark, the method comprising:
- heating an edible hot melt ink to a temperature sufficient to liquefy the ink;
- and
- ejecting droplets of the melted ink from a pumping chamber of a drop-on-demand piezoelectric inkjet printhead to form a mark upon the surface of a substrate, the mark having a resolution of at least 50 dpi;
- wherein the ink comprises an edible wax selected from the group of carnauba wax and beeswax, and an edible colorant;
- and
- wherein the ink has a melting temperature of between 40° C. and 100° C.
3 more elements
A composition of matter comprising a substrate, wherein at least a portion of the substrate is marked with an edible hot melt ink comprising an edible wax and an edible colorant.
Dependencies are inferred from the claim text.