Hot melt ink used for ink jet printer
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United States of America Patent
Stats
-
Nov 9, 1993
Grant Date -
N/A
app pub date -
Apr 6, 1992
filing date -
May 16, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a hot melt ink of the present invention, a paraffin wax and an ethylene-vinyl acetate copolymer are heated and melted, and a carbon black is added therein and is dispersed with its diameter of substantially 1-30 .mu.m. In a dot printed with this hot melt ink, the area of the recorded dot is smaller than the area of the printed dot, and it is possible to print the dot in a high density. Therefore, the hot melt ink of the present invention excels in a color fastness to heat, a color fastness to light, and a color permanence, and a dot image having higher density can be printed.
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