JPH0259792B2 - - Google Patents

Info

Publication number
JPH0259792B2
JPH0259792B2 JP59040526A JP4052684A JPH0259792B2 JP H0259792 B2 JPH0259792 B2 JP H0259792B2 JP 59040526 A JP59040526 A JP 59040526A JP 4052684 A JP4052684 A JP 4052684A JP H0259792 B2 JPH0259792 B2 JP H0259792B2
Authority
JP
Japan
Prior art keywords
methyl
group
tetrahydrofurfurylamino
fluorane
recording paper
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
JP59040526A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60184878A (ja
Inventor
Hideyuki Sensui
Susumu Suzuka
Michihiro Gonda
Katsumasa Yoshikawa
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.)
Hodogaya Chemical Co Ltd
Original Assignee
Hodogaya 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 Hodogaya Chemical Co Ltd filed Critical Hodogaya Chemical Co Ltd
Priority to JP59040526A priority Critical patent/JPS60184878A/ja
Priority to US06/693,116 priority patent/US4597795A/en
Priority to EP85301502A priority patent/EP0155796B1/en
Priority to DE8585301502T priority patent/DE3564943D1/de
Publication of JPS60184878A publication Critical patent/JPS60184878A/ja
Priority to US06/809,171 priority patent/US4642663A/en
Publication of JPH0259792B2 publication Critical patent/JPH0259792B2/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/10—Spiro-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
JP59040526A 1984-03-05 1984-03-05 感熱記録紙 Granted JPS60184878A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP59040526A JPS60184878A (ja) 1984-03-05 1984-03-05 感熱記録紙
US06/693,116 US4597795A (en) 1984-03-05 1985-01-22 6-tetrahydrofurfurylaminofluoran compound useful as a color former
EP85301502A EP0155796B1 (en) 1984-03-05 1985-03-05 6-tetrahydrofurfurylaminofluoran compound useful as a color former
DE8585301502T DE3564943D1 (en) 1984-03-05 1985-03-05 6-tetrahydrofurfurylaminofluoran compound useful as a color former
US06/809,171 US4642663A (en) 1984-03-05 1985-12-16 6-tetrahydrofurfurylaminofluoran compound useful as a color former on an heat sensitive recording sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59040526A JPS60184878A (ja) 1984-03-05 1984-03-05 感熱記録紙

Publications (2)

Publication Number Publication Date
JPS60184878A JPS60184878A (ja) 1985-09-20
JPH0259792B2 true JPH0259792B2 (Direct) 1990-12-13

Family

ID=12582927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59040526A Granted JPS60184878A (ja) 1984-03-05 1984-03-05 感熱記録紙

Country Status (1)

Country Link
JP (1) JPS60184878A (Direct)

Also Published As

Publication number Publication date
JPS60184878A (ja) 1985-09-20

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