Water-based ink composition for writing instrument
AssigneeMitsubishi Pencil Company, Limited
InventorsMasaru Miyamoto, Katsuhiko Shiraishi, Yoji Takeuchi, Tadashi Kamagata
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Abstract
A water based ink composition for a writing instrument comprising at least a colorant, water and a liquid medium, wherein reduced maltooligosaccharide and/or reduced isomaltooligosaccharide are added in a proportion of 0.5 to 20% by weight based on the total amount of the ink composition.
Claims2
A water based ink composition for a writing instrument comprising at least a colorant, water and a liquid medium, wherein the ink composition comprises reduced maltooligosaccharide, and/or reduced isomaltooligosaccharide, and has a viscosity of 3.5 to 400 mPa·S at a shearing rate of 38.4 S−1.
Dependencies are inferred from the claim text.