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.

Date of Patent:
Dec. 24, 2019

Filed:

Jun. 16, 2016
Applicant:

Nippon Paper Industries Co., Ltd., Tokyo, JP;

Inventors:

Yasuaki Matsumori, Tokyo, JP;

Akihito Ogino, Tokyo, JP;

Yoshimi Midorikawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/333 (2006.01); B41M 5/323 (2006.01); B41M 5/337 (2006.01); C09D 129/04 (2006.01); C08K 3/36 (2006.01); C08K 5/41 (2006.01);
U.S. Cl.
CPC ...
B41M 5/3336 (2013.01); B41M 5/323 (2013.01); B41M 5/3333 (2013.01); B41M 5/3377 (2013.01); C09D 129/04 (2013.01); B41M 2205/40 (2013.01); C08K 3/36 (2013.01); C08K 5/41 (2013.01);
Abstract

The objective of the present invention is to provide a thermosensitive recording medium excellent in color developing property, especially excellent in bar code readability, under severe environment. 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 contains a specific sulfone compound and a specific urea-urethane-based compound in a specific ratio.


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