The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2014
Filed:
Jun. 03, 2010
Katsuto Ohse, Tokyo, JP;
Yasuaki Matsumori, Tokyo, JP;
Yoshimi Midorikawa, Tokyo, JP;
Yukiko Satou, Tokyo, JP;
Katsuto Ohse, Tokyo, JP;
Yasuaki Matsumori, Tokyo, JP;
Yoshimi Midorikawa, Tokyo, JP;
Yukiko Satou, Tokyo, JP;
Nippon Paper Industries Co., Ltd., Tokyo, JP;
Abstract
The present invention present a thermosensitive recording medium having excellent printed image quality on a thermosensitive recording surface, particularly for bar code readability, and also good record density and recording property after storage. In a thermosensitive recording medium obtained by installing on a substrate a thermosensitive recording layer containing a colorless or pale electron donating leuco dye and an electron accepting coloring agent, the water drop absorbency of the surface on which a thermosensitive recording layer is installed on said substrate is adjusted to at least 50 seconds by having at least 5 wt. % of mechanical pulp present in the substrate and controlling the sizing agent treatment of the substrate.