JPH0348873B2 - - Google Patents

Info

Publication number
JPH0348873B2
JPH0348873B2 JP57184139A JP18413982A JPH0348873B2 JP H0348873 B2 JPH0348873 B2 JP H0348873B2 JP 57184139 A JP57184139 A JP 57184139A JP 18413982 A JP18413982 A JP 18413982A JP H0348873 B2 JPH0348873 B2 JP H0348873B2
Authority
JP
Japan
Prior art keywords
group
heat
color
sensitive recording
methyl
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
JP57184139A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5973991A (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 JP57184139A priority Critical patent/JPS5973991A/ja
Publication of JPS5973991A publication Critical patent/JPS5973991A/ja
Publication of JPH0348873B2 publication Critical patent/JPH0348873B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/333Colour developing components therefor, e.g. acidic compounds
    • B41M5/3333Non-macromolecular compounds
    • B41M5/3335Compounds containing phenolic or carboxylic acid groups or metal salts thereof

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)
JP57184139A 1982-10-20 1982-10-20 感熱記録材料 Granted JPS5973991A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57184139A JPS5973991A (ja) 1982-10-20 1982-10-20 感熱記録材料

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57184139A JPS5973991A (ja) 1982-10-20 1982-10-20 感熱記録材料

Publications (2)

Publication Number Publication Date
JPS5973991A JPS5973991A (ja) 1984-04-26
JPH0348873B2 true JPH0348873B2 (en]) 1991-07-25

Family

ID=16148048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57184139A Granted JPS5973991A (ja) 1982-10-20 1982-10-20 感熱記録材料

Country Status (1)

Country Link
JP (1) JPS5973991A (en])

Also Published As

Publication number Publication date
JPS5973991A (ja) 1984-04-26

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