Aqueous pigment ink composition for writing utensils

Details Aqueous pigment ink composition for writing utensils Aqueous pigment ink composition for writing utensils

1994-04-08

1996-04-23

Michel, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523160, 260DIG38, 524413, 524430, 524502, 524513, 524385, 524389, C09D 1110, C08K 1304

Patent

active

055103979

ABSTRACT:
An aqueous pigment ink composition for writing utensils is provided, which is capable of providing handwritings with good opacifying properties and exhibits little difference in whiteness between handwritings obtained immediately after writing and after drying. When the composition is applied to the inner stick type of writing utensils, an ink having good opacifying properties is passed out. The ink composition comprises, at least, an emulsion of styrene resin-based doughnut-shaped flat particles as a white opacifying agent.

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