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US 5,182,324 AGranted
Alcoholic marking ink composition
AssigneeMitsubishi Pencil Company, Limited
InventorsTakahiro Osada, Yoko Aoki
Life of this patent
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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.
Claims6
An alcoholic marking ink composition which 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.
Dependencies are inferred from the claim text.