Ink follower composition for ballpoint pen and ballpoint pen using the same
AssigneeThe Pilot Ink Co., Ltd.
InventorsHideaki Asami, Toshiji Yokotani
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Abstract
An ink follower composition for ballpoint pens which comprises (1) a hardly volatile liquid and (2) expansible synthetic mica having a quaternary ammonium ion introduced therein or an ink follower composition for ballpoint pens which comprises (1) a hardly volatile liquid, (3) synthetic mica, and (4) a thickener, and a ballpoint pen having the ink follower composition. The ink follower composition follows ink without leaving ink behind on the inner wall of an ink container.
Claims8
An ink follower composition for a ballpoint pen which comprises a hardly volatile liquid and expansible synthetic mica having a quaternary ammonium ion introduced therein.
An ink follower composition for a ballpoint pen which comprises a hardly volatile liquid, a thickener, and synthetic mica.
Dependencies are inferred from the claim text.