Birch, Stewart, Kolasch & Birch, LLP
Water-based ink
An oil-soluble dye prepared by subjecting a water-soluble dye having at least one group selected from the group consisting of sulfonate group and carboxyl group in its molecule to amidation: a water-based ink comprising the oil-soluble dye: and a process for preparing an oil-soluble dye, comprising halogenating a water-soluble dye having at least one group selected from the group consisting of sulfonate group and carboxyl group in its molecule, and thereafter subjecting the resulting halogenated water-soluble dye to amidation. The Oil-soluble dye of the present invention can be suitably and favorably used for inks for inkjet recording, inks for ball-points pens, inks for markers, toners, paints such as lacquers, inks for felt pens, and the like.
Kao Corporation
C C C C C C C C C C
C09B C09B C09D C09D C09D C09B C09D C09D C09B C09B
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Takehiro Kenji Shigemi Makoto
Tsutsumi Kaida Wakabayashi Sakakibara