US Patent 7425522 Thermosensitive recording material
Patent 7425522 was granted and assigned to RICOH COMPANY,LTD. on September, 2008 by the United States Patent and Trademark Office.
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The present invention aims to provide thermosensitive recording materials that allow excellent stampability, prevent sticking, represent less image-density decrease due to image-shielding by protective layers, and generate less printing residual matters on heads. Specifically, the present invention provided thermosensitive recording materials that comprises a protective layer, a thermosensitive recording layer and a support in this order, wherein the thermosensitive recording layer develops a color by heating, the protective layer comprises a binder resin and an inorganic filler, the volume average particle diameter of the inorganic filler is 0.6 to 5.0 μm, the content of the inorganic filler is 150 to 400% by mass based on the binder resin, and the protective layer comprises crosslinked polymethylmethacrylate particles.
US Patent 07425522 Thermosensitive recording material US Patent 7425522 Thermosensitive recording material
US Patent 07425522 Thermosensitive recording material
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