Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
THERMOSENSITIVE RECORDING MEDIUM, THERMOSENSITIVE RECORDING LIQUID, AND ARTICLE
Document Type and Number:
WIPO Patent Application WO/2020/105564
Kind Code:
A1
Abstract:
Provided is a thermosensitive recording medium including a support, and a thermosensitive recording layer disposed on or above the support, wherein the thermosensitive recording layer includes a leuco dye and a color developer, a haze degree of the thermosensitive recording medium is 15 or less, and a change rate X of total light transmittance represented by Formula (1) below is 5.0% or less, X = (A-B)/A×100 Formula (1) where, in Formula (1), A is total light transmittance before heating the thermosensitive recording medium at a temperature of 90℃, and B is total light transmittance after heating the thermosensitive recording medium at a temperature of 90℃ for 1 hour.

Inventors:
SHIBATA TAKAHIRO (JP)
NODA KAZUMASA (JP)
KUMODA MASAFUMI (JP)
Application Number:
JP2019/044976
Publication Date:
May 28, 2020
Filing Date:
November 15, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
RICOH CO LTD (JP)
SHIBATA TAKAHIRO (JP)
NODA KAZUMASA (JP)
KUMODA MASAFUMI (JP)
International Classes:
B41M5/323; B41M5/333; B41M5/337
Domestic Patent References:
WO2017111032A12017-06-29
WO2005037932A12005-04-28
Foreign References:
EP3395583A12018-10-31
JP2018043363A2018-03-22
JPH05278329A1993-10-26
JP2005187323A2005-07-14
Attorney, Agent or Firm:
HIROTA, Koichi (JP)
Download PDF: