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US 6,645,282 B2Granted
Phase change gravure inks and methods of printing with same
AssigneeSun Chemical Corporation
InventorsEdward Stone, Jitendra J. Modi, Robert J. Catena
Life of this patent
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Abstract
A hot melt ink composition containing a an alkylene distearate which improves the color strength of the ink and is formed as a reaction product of a C4-C8 diol and at least one acid selected from the group consisting of a C16-C18 monofunctional acid and a C9-C10 difunctional acid.
Claims9
An improved hot melt ink composition comprising:
- a resin;
- a wax;
- a dispersant;
- a color pigment;
- and
- whereby the improvement comprises a hot melt ink composition having an alkylene diester, wherein said alkylene diester is formed as a reaction product of a C4-C9 diol and at least one acid selected from the group consisting of a C16-C18 monofunctional acid and a C9-C10 difunctional acid.
3 more elements
Dependencies are inferred from the claim text.