Phase change inks

Details Phase change inks Phase change inks

2006-12-21

2011-11-15

Mayes, Melvin (Department: 1732)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031490, C106S031470, C106S031770, C106S031780, C427S466000, C430S270100

Reexamination Certificate

active

08057589

ABSTRACT:
Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formulawherein X1, X2, X3, and X4each, independently of the others, are —S—, —S(═O)—, or —S(═O)2—, R1, R2, R3, and R4each, independently of the others, are alkyl, aryl, arylalkyl, or alkylaryl, R1′, R2′, R3′, and R4′ each, independently of the others, are substituents, n1, n2, n3, and n4each, independently of the others, are 0, 1, 2, or 3, and M is an atom or group of atoms capable of bonding to the central cavity of a phthalocyanine molecule, wherein axial ligands optionally can be attached to M. Also disclosed is a radiation curable ink composition comprising (a) an ink vehicle, said ink vehicle comprising at least one radically curable monomer compound, and this colorant compound.

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