JPS5240343A - Thermal sensitive copy sheet to obtain black image - Google Patents

Thermal sensitive copy sheet to obtain black image

Info

Publication number
JPS5240343A
JPS5240343A JP50116598A JP11659875A JPS5240343A JP S5240343 A JPS5240343 A JP S5240343A JP 50116598 A JP50116598 A JP 50116598A JP 11659875 A JP11659875 A JP 11659875A JP S5240343 A JPS5240343 A JP S5240343A
Authority
JP
Japan
Prior art keywords
copy sheet
thermal sensitive
black image
sensitive copy
obtain black
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.)
Granted
Application number
JP50116598A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5724233B2 (ref
Inventor
Fumio Okumura
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.)
Mitsubishi Paper Mills Ltd
Original Assignee
Mitsubishi Paper Mills 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 Mitsubishi Paper Mills Ltd filed Critical Mitsubishi Paper Mills Ltd
Priority to JP50116598A priority Critical patent/JPS5240343A/ja
Publication of JPS5240343A publication Critical patent/JPS5240343A/ja
Publication of JPS5724233B2 publication Critical patent/JPS5724233B2/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
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • 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)
  • Heat Sensitive Colour Forming Recording (AREA)
JP50116598A 1975-09-27 1975-09-27 Thermal sensitive copy sheet to obtain black image Granted JPS5240343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50116598A JPS5240343A (en) 1975-09-27 1975-09-27 Thermal sensitive copy sheet to obtain black image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50116598A JPS5240343A (en) 1975-09-27 1975-09-27 Thermal sensitive copy sheet to obtain black image

Publications (2)

Publication Number Publication Date
JPS5240343A true JPS5240343A (en) 1977-03-29
JPS5724233B2 JPS5724233B2 (ref) 1982-05-22

Family

ID=14691103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50116598A Granted JPS5240343A (en) 1975-09-27 1975-09-27 Thermal sensitive copy sheet to obtain black image

Country Status (1)

Country Link
JP (1) JPS5240343A (ref)

Also Published As

Publication number Publication date
JPS5724233B2 (ref) 1982-05-22

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