Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2011-03-29
2011-03-29
Shah, Manish S (Department: 2853)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
C347S095000, C106S031270
Reexamination Certificate
active
07914138
ABSTRACT:
An ink for ink-jet recording may contain a coloring agent and a marker. The coloring agent may contain a dye. The marker may contain at least one of a dye and a pigment, and has a detector absorption peak for detecting the marker at a wavelength that is different from a wavelength of the maximum absorption peak of the coloring agent. The coloring agent and the marker are contained in the ink in amounts that satisfy the following conditions (I) to (III):(I) about 1.2≦A2/ A3;(II) color difference (ΔE)≦about 3; and(III) about 0.001≦A2≦about 5 in terms of a measurement optical path length of 1 mm,where A2denotes an absorbance at the wavelength of the detector absorption peak of the marker,A3denotes a baseline absorbance at the wavelength of the detector absorption peak of the marker.
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Banner & Witcoff , Ltd.
Brother Kogyo Kabushiki Kaisha
Shah Manish S
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