Patent
Alcoholic marking ink composition (US Patent 5182324)
Mitsubishi Pencil Kabushiki Kaisha · Granted Jan 26, 1993 · Filed Dec 16, 1991
Patent number: 5182324 Granted: 1993-01-26 Filed: 1991-12-16 Inventors: Takahiro Osada (Gunma, JP); Yoko Aoki (Gunma, JP) Assignees: Mitsubishi Pencil Kabushiki Kaisha (Tokyo, JP)
Abstract
An alcoholic marking ink composition comprises a coloring agent, a solvent mainly composed of ethanol, a condensation product of urea and aliphatic aldehydes as a resin to be added, and a cationic surface active agent.
Claims
- An alcoholic marking ink composition which comprises a coloring agent, a solvent mainly composed of ethanol, a
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