Recording medium, ink composition and recording method using the same
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United States of America Patent
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Apr 12, 2011
Grant Date -
Oct 20, 2005
app pub date -
Jun 21, 2005
filing date -
Mar 11, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A recording medium containing a substantially colorless compound in which at least 10 atoms having conjugate π electrons are present on a per-molecule basis, wherein it is especially preferable that the compound has at least two aromatic ring groups and/or shows no fluorescence. An ink composition used for printing in image form on media, with the composition containing a dye and controlling a hue change caused in the printed images over a period of one hour immediately after the printing to 5 or below in color-difference terms. And a method of recording images on media by printing an ink composition in image form, wherein the ink composition contains a dye and a hue change caused in the printed images over a period of one hour immediately after the printing is controlled to 5 or below in color-difference terms.
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