JPH025199B2 - - Google Patents

Info

Publication number
JPH025199B2
JPH025199B2 JP57075886A JP7588682A JPH025199B2 JP H025199 B2 JPH025199 B2 JP H025199B2 JP 57075886 A JP57075886 A JP 57075886A JP 7588682 A JP7588682 A JP 7588682A JP H025199 B2 JPH025199 B2 JP H025199B2
Authority
JP
Japan
Prior art keywords
color
thiourea
heat
parts
recording material
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
JP57075886A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58193190A (ja
Inventor
Kyotaka Iiyama
Keiji Taniguchi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP57075886A priority Critical patent/JPS58193190A/ja
Publication of JPS58193190A publication Critical patent/JPS58193190A/ja
Publication of JPH025199B2 publication Critical patent/JPH025199B2/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
    • B41M5/26—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
    • B41M5/333—Colour developing components therefor, e.g. acidic compounds
    • B41M5/3333—Non-macromolecular compounds
    • B41M5/3335—Compounds containing phenolic or carboxylic acid groups or metal salts thereof
    • B41M5/3336—Sulfur compounds, e.g. sulfones, sulfides, sulfonamides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
JP57075886A 1982-05-06 1982-05-06 感熱記録材料 Granted JPS58193190A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57075886A JPS58193190A (ja) 1982-05-06 1982-05-06 感熱記録材料

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57075886A JPS58193190A (ja) 1982-05-06 1982-05-06 感熱記録材料

Publications (2)

Publication Number Publication Date
JPS58193190A JPS58193190A (ja) 1983-11-10
JPH025199B2 true JPH025199B2 (en]) 1990-01-31

Family

ID=13589220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57075886A Granted JPS58193190A (ja) 1982-05-06 1982-05-06 感熱記録材料

Country Status (1)

Country Link
JP (1) JPS58193190A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599630A (en) * 1983-11-15 1986-07-08 Ricoh Company, Ltd. Two-color thermosensitive recording material
JPH0679870B2 (ja) * 1984-04-19 1994-10-12 株式会社リコー ２色感熱記録材料
JPS6127287A (ja) * 1984-07-17 1986-02-06 Ricoh Co Ltd 感熱記録材料

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55139290A (en) * 1979-04-19 1980-10-30 Ricoh Co Ltd Multicolor thermosensitive recording material
FR2469289A1 (fr) * 1979-11-09 1981-05-22 Ciba Geigy Ag Matiere pour enregistrement sensible a la pression ou thermosensible et son utilisation comme developpateur de la couleur dans des procedes de fabrication de copies et d'enregistrement
JPS56148587A (en) * 1980-04-21 1981-11-18 Honshu Paper Co Ltd Heat-sensitive recording material

Also Published As

Publication number Publication date
JPS58193190A (ja) 1983-11-10

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