Ink composition resistant to solvent evaporation

Details Ink composition resistant to solvent evaporation Ink composition resistant to solvent evaporation

2006-08-01

2006-08-01

Shosho, Callie (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S310000, C524S611000

Reexamination Certificate

active

07084191

ABSTRACT:
The present invention is directed to an ink composition resistant to solvent evaporation which may be employed for use in retractable permanent marker pens. Generally, the ink composition of the present invention comprises n-propanol, a pyrrolidone, a tryglyceride, a terpene phenolic resin, and at least one colorant to yield a detectable color when the ink composition is applied to a writable substrate. Additionally, the ink composition may further comprise at least one of polyether modified dimethylpolysiloxane copolymer and silicone glycol surfactant. Optionally, the ink composition may further comprise water.

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Machine Translation of JP 06248217 A (1994).

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