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:
May. 27, 2008
Filed:
Aug. 28, 2003
Masayuki Watanabe, Tokyo, JP;
Kaoru Hamada, Tokyo, JP;
Junpei Natsui, Tokyo, JP;
Yuji Tsuzuki, Tokyo, JP;
Takashi Date, Tokyo, JP;
Masayuki Watanabe, Tokyo, JP;
Kaoru Hamada, Tokyo, JP;
Junpei Natsui, Tokyo, JP;
Yuji Tsuzuki, Tokyo, JP;
Takashi Date, Tokyo, JP;
Nippon Paper Industries Co., Ltd., Kita-ku, Tokyo, JP;
Abstract
A thermally sensitive recording medium containing a thermally sensitive recording medium providing an undercoating layer containing a pigment and a binder as main components and a thermally sensitive recording layer containing a colorless or pale colored basic leuco dye and a color developing agent, which reacts with said basic leuco dye, as main components on a substrate, wherein the undercoating layer contains carboxymethyl cellulose having an etherification degree of from 0.55 to 0.75 and hydroxyethyl cellulose from the view point of high effectiveness.