Ink for ball point pen

Details Ink for ball point pen Ink for ball point pen

1998-01-28

1999-08-24

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3165, C09D 1118

Patent

active

059420278

ABSTRACT:
An ink for a ball point pen contains at least one or plural kinds of organic solvents, colorants and resins and further contains fine particle silica having a primary average particle diameter of 7 to 40 nm and a specific surface area (BET method) of 50 to 380 m.sup.2 /g. The ink for a ball point pen is prevented from leaking out of the pen tip, is not damaged smooth writing feeling and does not cause clogging at the pen tip.

REFERENCES:
patent: 3074800 (1963-01-01), Germann
patent: 4462832 (1984-07-01), Jettmar et al.
patent: 5221332 (1993-06-01), Kohlmeier
patent: 5827363 (1998-10-01), Darsillo et al.

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