Ink composition

Details Ink composition Ink composition

1982-10-26

1985-06-25

Lieberman, Paul

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 23, 106 26, 524 77, 524270, C09D 1108

Patent

active

045252165

ABSTRACT:
An ink composition for a marking pen is disclosed which permits smooth writing even after a long period of standing of the pen with no cap. The ink composition comprises an organic solvent, a pigment, a resin and at least one additive selected from the group consisting of a glyceride of specified structure, and an alkylamide alcohol of specified structure and a sorbitan fatty acid ester.
An erasable ink composition for writing on a writing surface such as one of resin is also disclosed, which further includes, in addition to the above, a separating agent which is a non-volatile or only slightly volatile liquid or semi-solid at normal temperatures and has a lower vapor pressure than the solvent, and is soluble in the solvent.

REFERENCES:
patent: 2602039 (1952-07-01), Wershaw
patent: 3166421 (1965-01-01), Granlich
patent: 3475187 (1969-10-01), Kane
patent: 4256494 (1981-03-01), Yamamoto et al.

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