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:
Nov. 05, 2019
Filed:
Oct. 19, 2016
Applicant:
Nippon Paper Industries Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
Nippon Paper Industries Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/323 (2006.01); B41M 5/30 (2006.01); B41M 3/14 (2006.01); B41M 5/41 (2006.01); B41M 5/333 (2006.01);
U.S. Cl.
CPC ...
B41M 5/323 (2013.01); B41M 3/142 (2013.01); B41M 5/30 (2013.01); B41M 5/305 (2013.01); B41M 5/3333 (2013.01); B41M 5/3335 (2013.01); B41M 5/41 (2013.01);
Abstract
As a thermosensitive recording medium utilizes a coloring reaction between a colorless or pale colored electron donating leuco dye and an electron accepting color developing agent, a thermosensitive recording medium using an environment-friendly color developing agent is provided. Provided is a thermosensitive recording medium having a thermosensitive recording layer comprising a colorless or pale colored electron donating leuco dye and an electron accepting color developing agent on a substrate, wherein the thermosensitive recording layer comprises a gluconolactone as the electron accepting color developing agent.