Patent ID: 7531033

Claim:
An ink set for ink-jet recording comprising one or more pre-treatment compositions and one or more oil-based ink compositions, wherein one or more of the pre-treatment compositions comprise one or more organic liquids, which are one or more liquids chosen from the group consisting of C 6 -C 30 linear alkanes, C 6 -C 30 branched alkanes, C 6 -C 30 linear alkenes and C 6 -C 30 branched alkenes, and mixtures thereof; and one or more cross-linking initiators, which are one or more compounds chosen from the group consisting of peroxy compounds; one or more of the oil-based ink compositions comprises one or more organic liquids, which are one or more liquids chosen from the group consisting of C 6 -C 30 linear alkanes, C 6 -C 30 branched alkanes, C 6 -C 30 linear alkenes and C 6 -C 30 branched alkenes, and mixtures thereof; one or more unsaturated organic compounds; and one or more colorants; and the one or more unsaturated organic compounds are one or more chosen from unsaturated fatty materials.