Reversible thermosensitive recording medium, reversible thermosensitive recording label, reversible thermosensitive recording member, image-processing apparatus and image-processing method

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United States of America Patent

PATENT NO 7422996
APP PUB NO 20070219093A1
SERIAL NO

11724653

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Abstract

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There is provided a reversible thermosensitive recording medium including a support, an intermediate layer, and a thermosensitive recording layer which reversibly changes a color thereof depending on a temperature, wherein the thermosensitive recording layer contains an electron-donating coloring compound, and an electron-accepting compound represented by the following general formula 1: ##STR00001## where, n is an integer of 23 or more, and wherein the intermediate layer is disposed between the support and the thermosensitive recording layer, and contains hollow particles having a void ratio of 70% or more, a maximum diameter D100 of 5.0 .mu.m to 10.0 .mu.m, and a ratio D100/D50 of 2.0 to 3.0 where the ratio D100/D50 is a ratio of the maximum diameter D100 to a 50% cumulative particle diameter D50 of the hollow particles.

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Patent Owner(s)

  • RICOH COMPANY, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayakawa, Kunio Mishima, JP 43 811
Kawahara, Shinya Numazu, JP 50 496
Shimbo, Hitoshi Shizuoka, JP 16 98

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