JPH0260517B2 - - Google Patents

Info

Publication number
JPH0260517B2
JPH0260517B2 JP61054533A JP5453386A JPH0260517B2 JP H0260517 B2 JPH0260517 B2 JP H0260517B2 JP 61054533 A JP61054533 A JP 61054533A JP 5453386 A JP5453386 A JP 5453386A JP H0260517 B2 JPH0260517 B2 JP H0260517B2
Authority
JP
Japan
Prior art keywords
compound
paper
color
acid
present
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP61054533A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62211186A (ja
Inventor
Hajime Kawai
Kazuhiko Gendai
Tadashi Tsunekawa
Katsuhiko Tsunemitsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamada Chemical Co Ltd
Original Assignee
Yamada Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamada Chemical Co Ltd filed Critical Yamada Chemical Co Ltd
Priority to JP61054533A priority Critical patent/JPS62211186A/ja
Publication of JPS62211186A publication Critical patent/JPS62211186A/ja
Publication of JPH0260517B2 publication Critical patent/JPH0260517B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B41M5/1455—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B41M5/3275—Fluoran compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Color Printing (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
JP61054533A 1986-03-11 1986-03-11 発色性記録材料 Granted JPS62211186A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61054533A JPS62211186A (ja) 1986-03-11 1986-03-11 発色性記録材料

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61054533A JPS62211186A (ja) 1986-03-11 1986-03-11 発色性記録材料

Publications (2)

Publication Number Publication Date
JPS62211186A JPS62211186A (ja) 1987-09-17
JPH0260517B2 true JPH0260517B2 (OSRAM) 1990-12-17

Family

ID=12973306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61054533A Granted JPS62211186A (ja) 1986-03-11 1986-03-11 発色性記録材料

Country Status (1)

Country Link
JP (1) JPS62211186A (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5824768B2 (ja) * 2011-07-28 2015-12-02 株式会社東芝 消去可能な液体インク
EP4499757A1 (en) * 2022-03-31 2025-02-05 Sony Group Corporation Benzofluoran-based compounds as thermochromic dyes and their use in imaging systems
WO2024199763A1 (en) * 2023-03-29 2024-10-03 Sony Semiconductor Solutions Corporation Benzofluoran-based compounds as magenta thermochromic dyes and their use in imaging systems

Also Published As

Publication number Publication date
JPS62211186A (ja) 1987-09-17

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