Water-based ink composition and water-based ballpoint pen

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United States of America Patent

PATENT NO 9624391
APP PUB NO 20150376423A1
SERIAL NO

14758008

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Abstract

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A water-based ink composition capable of forming depicted lines with excellent drying property and with little bleed is described. Also, a water-based ballpoint pen using the water-based ink composition is described. The water-based ink composition includes a polyoxyethylene alkyl ether, a water-soluble organic solvent, a colorant and water, wherein the HLB value of the polyoxyethylene alkyl ether is from 14 to 15, and wherein the polyoxyethylene alkyl ether has an alkyl group contains 8 to 10 carbon atoms.

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Patent Owner(s)

Patent OwnerAddress
ZEBRA CO LTDSHINJUKU-KU TOKYO 162-8562

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kadowaki, Hiroyuki Tokyo, JP 20 83

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