THERMOSENSITIVE RECORDING MEDIUM
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Mar 10, 2022
filing date -
Mar 29, 2021
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Abstract
A thermosensitive recording medium comprising an undercoat layer provided on a substrate, and a thermosensitive recording layer containing a colorless or pale colored electron donating leuco dye and an electron accepting color developing agent provided on the undercoat layer, wherein the thermosensitive recording layer contains as the electron accepting color developing agent a urea compound represented by the following general formula (Formula 1)
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