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Title:
THERMOSENSITIVE RECORDING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/276499
Kind Code:
A1
Abstract:
A thermosensitive recording material comprising a support and a thermosensitive color development layer provided on the support, wherein the thermosensitive color development layer contains (A) a color development substance, (B) a kraft lignin containing dimethyldisulphide in an amount of 2.5 ppm or less, and (C) a specific developer.

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Inventors:
SAITO HAJIME (JP)
MORI YASUO (JP)
YASUMOTO MAYUMI (JP)
ICHIMURA KENTA (JP)
SUGIMOTO MASASHIGE (JP)
KOSHI TATSURO (JP)
MIDORIKAWA YOSHIMI (JP)
TOSAKA MASAYA (JP)
HIRAI KENJI (JP)
Application Number:
PCT/JP2022/021349
Publication Date:
January 05, 2023
Filing Date:
May 25, 2022
Export Citation:
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Assignee:
NICCA CHEMICAL CO (JP)
International Classes:
C08H7/00; B41M5/333
Domestic Patent References:
WO2014080615A12014-05-30
WO2019044462A12019-03-07
WO2014080615A12014-05-30
WO2019044462A12019-03-07
Foreign References:
JPS496287B11974-02-13
JPS51109304A1976-09-28
JP2000061449A2000-02-29
JPH05220324A1993-08-31
JP2020104274A2020-07-09
JP2003067713A2003-03-07
JP2017177627A2017-10-05
JPH04332682A1992-11-19
JP2020104274A2020-07-09
JP2002532441A2002-10-02
JP2020520833W
JP2020193153A2020-12-03
JP2006104219A2006-04-20
JPH0859603A1996-03-05
JPH1029969A1998-02-03
JP2008303225A2008-12-18
JP2007302601A2007-11-22
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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