JPS5712692A - Copying paper - Google Patents

Copying paper

Info

Publication number
JPS5712692A
JPS5712692A JP8735280A JP8735280A JPS5712692A JP S5712692 A JPS5712692 A JP S5712692A JP 8735280 A JP8735280 A JP 8735280A JP 8735280 A JP8735280 A JP 8735280A JP S5712692 A JPS5712692 A JP S5712692A
Authority
JP
Japan
Prior art keywords
color
compound
benzoic acid
specified
fluoran
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
JP8735280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6351876B2 (enrdf_load_stackoverflow
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 JP8735280A priority Critical patent/JPS5712692A/ja
Publication of JPS5712692A publication Critical patent/JPS5712692A/ja
Publication of JPS6351876B2 publication Critical patent/JPS6351876B2/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)
JP8735280A 1980-06-26 1980-06-26 Copying paper Granted JPS5712692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8735280A JPS5712692A (en) 1980-06-26 1980-06-26 Copying paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8735280A JPS5712692A (en) 1980-06-26 1980-06-26 Copying paper

Publications (2)

Publication Number Publication Date
JPS5712692A true JPS5712692A (en) 1982-01-22
JPS6351876B2 JPS6351876B2 (enrdf_load_stackoverflow) 1988-10-17

Family

ID=13912477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8735280A Granted JPS5712692A (en) 1980-06-26 1980-06-26 Copying paper

Country Status (1)

Country Link
JP (1) JPS5712692A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6351876B2 (enrdf_load_stackoverflow) 1988-10-17

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