Ink composition

Details Ink composition Ink composition

1995-12-26

1998-12-15

Jagannathan, Vasu

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524503, 524524, 260DIG38, 106 3113, 106 3134, C09D 1100

Patent

active

058498141

ABSTRACT:
An ink composition according to the present invention comprises a pigment, a pigment dispersion resin, an non-aqueous ambient temperature non-volatile liquid removal agent and an non-aqueous ambient temperature volatile organic solvent, wherein the amount of the pigment dispersion resin relative to that of the pigment is within the range of from about 2 to about 10%. Methods of making the ink composition and methods of applying the ink composition to a writing board also are disclosed. The ink composition is superior in time-erasion performance independent of the object and/or surface of the writing board.

REFERENCES:
patent: 4256494 (1981-03-01), Yamamoto et al.

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