Erasable ink composition for writing on impervious surface

Details Erasable ink composition for writing on impervious surface Erasable ink composition for writing on impervious surface

1993-01-19

1994-06-28

Lieberman, Paul

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

523161, 524376, 106 20A, 106 19A, C09D 1116

Patent

active

053247647

ABSTRACT:
An erasable ink composition for writing on an impervious writing surface comprising an organic solvent, a resin, a pigment, and a separating agent which comprises:

REFERENCES:
patent: 3834823 (1974-09-01), Seregely et al.
patent: 4578117 (1986-03-01), Nakanishi
patent: 4629748 (1986-12-01), Miyajima et al.
patent: 4978390 (1990-12-01), Snedeker

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