JPS6352591B2 - - Google Patents

Info

Publication number
JPS6352591B2
JPS6352591B2 JP56080368A JP8036881A JPS6352591B2 JP S6352591 B2 JPS6352591 B2 JP S6352591B2 JP 56080368 A JP56080368 A JP 56080368A JP 8036881 A JP8036881 A JP 8036881A JP S6352591 B2 JPS6352591 B2 JP S6352591B2
Authority
JP
Japan
Prior art keywords
group
groups
carbon atoms
paper
alkyl group
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
Application number
JP56080368A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57195685A (en
Inventor
Takashi Akamatsu
Yukio Kuwabara
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP56080368A priority Critical patent/JPS57195685A/ja
Publication of JPS57195685A publication Critical patent/JPS57195685A/ja
Publication of JPS6352591B2 publication Critical patent/JPS6352591B2/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
    • 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)
JP56080368A 1981-05-26 1981-05-26 Recording paper Granted JPS57195685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56080368A JPS57195685A (en) 1981-05-26 1981-05-26 Recording paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56080368A JPS57195685A (en) 1981-05-26 1981-05-26 Recording paper

Publications (2)

Publication Number Publication Date
JPS57195685A JPS57195685A (en) 1982-12-01
JPS6352591B2 true JPS6352591B2 (en, 2012) 1988-10-19

Family

ID=13716319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56080368A Granted JPS57195685A (en) 1981-05-26 1981-05-26 Recording paper

Country Status (1)

Country Link
JP (1) JPS57195685A (en, 2012)

Also Published As

Publication number Publication date
JPS57195685A (en) 1982-12-01

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