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US 8,616,693 B1Granted
Phase change ink comprising colorants derived from plants and insects
AssigneeXerox Corporation
InventorsSalma Falah Toosi, Mihaela Maria Birau, C. Geoffrey Allen, Biby Esther Abraham, Peter G. Odell, Caroline Turek
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Abstract
A phase change ink composition including a wax; an optional dispersant; an optional synergist; and a naturally-derived colorant wherein the naturally-derived colorant is a colorant derived from a plant, a colorant derived from an insect, or a mixture or combination thereof.
Claims20
A phase change ink composition comprising:
- a wax;
- an optional dispersant;
- an optional synergist;
- and
- a naturally-derived colorant wherein the naturally-derived colorant is a colorant derived from a plant, a colorant derived from an insect, or a mixture or combination thereof.
2 more elements
A method for preparing a phase change ink composition comprising:
- combining a wax;
- an optional dispersant;
- an optional synergist;
- and a naturally-derived colorant wherein the naturally-derived colorant is a colorant derived from a plant, a colorant derived from an insect, or a mixture or combination thereof, to produce a phase change ink composition.
1 more element
An ink jet printer stick or pellet comprising a phase change ink composition comprising:
- a wax;
- an optional dispersant;
- an optional synergist;
- and
- a naturally-derived colorant wherein the naturally-derived colorant is a colorant derived from a plant, a colorant derived from an insect, or a mixture or combination thereof.
2 more elements
A method comprising:
- incorporating into an ink jet printing apparatus a phase change ink composition comprising a wax;
- an optional dispersant;
- an optional synergist;
- and a naturally-derived colorant wherein the naturally-derived colorant is a colorant derived from a plant, a colorant derived from an insect, or a mixture or combination thereof, to produce a phase change ink composition;
- melting the ink composition;
- and
- causing droplets of the melted ink to be ejected in an imagewise pattern onto a substrate.
4 more elements
Dependencies are inferred from the claim text.