JPH0435354B2 - - Google Patents

Info

Publication number
JPH0435354B2
JPH0435354B2 JP56148365A JP14836581A JPH0435354B2 JP H0435354 B2 JPH0435354 B2 JP H0435354B2 JP 56148365 A JP56148365 A JP 56148365A JP 14836581 A JP14836581 A JP 14836581A JP H0435354 B2 JPH0435354 B2 JP H0435354B2
Authority
JP
Japan
Prior art keywords
group
carbon atoms
phenyl
alkyl group
halogen
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
JP56148365A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5849293A (ja
Inventor
Takashi Akamatsu
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 JP56148365A priority Critical patent/JPS5849293A/ja
Priority to GB08224503A priority patent/GB2109394A/en
Priority to DE19823233224 priority patent/DE3233224A1/de
Publication of JPS5849293A publication Critical patent/JPS5849293A/ja
Publication of JPH0435354B2 publication Critical patent/JPH0435354B2/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)
JP56148365A 1981-09-09 1981-09-18 記録紙 Granted JPS5849293A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56148365A JPS5849293A (ja) 1981-09-18 1981-09-18 記録紙
GB08224503A GB2109394A (en) 1981-09-09 1982-08-26 Fluoran compounds and process for producing
DE19823233224 DE3233224A1 (de) 1981-09-09 1982-09-07 Fluoranverbindungen, verfahren zu ihrer herstellung und verwendung derselben

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56148365A JPS5849293A (ja) 1981-09-18 1981-09-18 記録紙

Publications (2)

Publication Number Publication Date
JPS5849293A JPS5849293A (ja) 1983-03-23
JPH0435354B2 true JPH0435354B2 (enrdf_load_stackoverflow) 1992-06-10

Family

ID=15451129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56148365A Granted JPS5849293A (ja) 1981-09-09 1981-09-18 記録紙

Country Status (1)

Country Link
JP (1) JPS5849293A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56109251A (en) * 1980-01-31 1981-08-29 Fuji Photo Film Co Ltd Fluoran derivative and production thereof
JPS55142693A (en) * 1979-04-24 1980-11-07 Fuji Photo Film Co Ltd Pressure sensitive and heat sensitive recording sheet

Also Published As

Publication number Publication date
JPS5849293A (ja) 1983-03-23

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