Water-based ink composition for ballpoint pen and...

Details Water-based ink composition for ballpoint pen and... Water-based ink composition for ballpoint pen and...

2008-01-29

2008-01-29

Walczak, David J. (Department: 3751)

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

C401S208000, C401S214000, C106S031680, C106S031280

Reexamination Certificate

active

11086428

ABSTRACT:
A water-based ink composition for ballpoint pen which has a colorant, water, a water soluble organic solvent and, as a shear-thinning tackifier, a polysaccharide, wherein the polysaccharide exists in the ink as particles having an average particle size less than 5 μm, and a water-based ballpoint pen using the composition.

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patent: 6616741 (2003-09-01), Sawa et al.
patent: 0587391 (1994-03-01), None
patent: 1006162 (2000-06-01), None
patent: 59-74175 (1984-04-01), None
patent: 06-256700 (1994-09-01), None

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