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    • 26. 发明授权
    • Black ink composition
    • 黑色墨水组成
    • US07094281B2
    • 2006-08-22
    • US10913292
    • 2004-08-06
    • Masahiro HanmuraTetsuya Aoyama
    • Masahiro HanmuraTetsuya Aoyama
    • C09D11/02B41J2/01
    • C09D11/328
    • The present invention provides a black ink composition obtained by mixing at least one colorant selected from the group consisting of a compound represented by the following formula (1) and a salt thereof, one or more organic acids and one or more organic bases: wherein R1 represents a phenyl group having a substituent group or a naphthyl group having a substituent group, R2 represent a phenylene group having a substituent group or a naphthylene group having a substituent group, R3 represents a 5- to 7-membered heterocyclic ring having at least one double bond and substituent group, and further, the above-mentioned substituent groups in the above-mentioned R1 to R3 are each independently selected from the group consisting of OH, SO3H, PO3H2, CO2H, NO2, NH2, a C1–4 alkyl group, a C1–4 alkyl group having a substituent group, a C1–4 alkoxyl group, a C1–4 alkoxyl group having a substituent group, an amino group, an amino group having a substituent group and a phenyl group having a substituent group. Further, a recording method and recorded matter using the above-mentioned black ink composition are also disclosed.
    • 本发明提供一种黑色油墨组合物,其通过将选自由下式(1)表示的化合物及其盐,一种或多种有机酸和一种或多种有机碱组成的组中的至少一种着色剂混合而获得:其中R 代表具有取代基的苯基或具有取代基的萘基,R 2表示具有取代基的亚苯基或具有取代基的亚萘基 R 3表示具有至少一个双键和取代基的5-至7-元杂环,此外,上述R 1中的上述取代基, R 3和R 3各自独立地选自OH,SO 3 H,PO 3 H 2, CO 2,H 2,NH 2,NH 2,C 1-4烷基,C 1-4烷基,C 1-4烷基, 取代基,C1-4烷氧基,C1-4烷氧基 取代基,氨基,具有取代基的氨基和具有取代基的苯基。 此外,还公开了使用上述黑色油墨组合物的记录方法和记录物质。