Phase change inks containing modified pigment particles

Details Phase change inks containing modified pigment particles Phase change inks containing modified pigment particles

2008-03-25

2008-03-25

Lorengo, J. A. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031610, C106S031860

Reexamination Certificate

active

07347892

ABSTRACT:
Disclosed is a phase change ink composition comprising (a) an ink carrier comprising (1) a polyalkylene wax and (2) a component selected from the group consisting of (A) amides, (B) esters, (C) ester-amides, (D) urethanes, (E) ureas, (F) urethane-ureas, and (G) mixtures thereof, and (b) pigment particles having hydrophobic functional groups covalently bonded to the surfaces thereof, said ink composition having a melting point no lower than about 40° C., said ink composition having a melting point no higher than about 160° C.

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