GB2166882B - Recording materials - Google Patents

Recording materials

Info

Publication number
GB2166882B
GB2166882B GB08520610A GB8520610A GB2166882B GB 2166882 B GB2166882 B GB 2166882B GB 08520610 A GB08520610 A GB 08520610A GB 8520610 A GB8520610 A GB 8520610A GB 2166882 B GB2166882 B GB 2166882B
Authority
GB
United Kingdom
Prior art keywords
recording materials
recording
materials
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
GB08520610A
Other versions
GB2166882A (en
GB8520610D0 (en
Inventor
Masato Satomura
Ken Iwakura
Akira Igarashi
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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
Priority claimed from JP59173591A external-priority patent/JPS6151381A/en
Priority claimed from JP12316785A external-priority patent/JPS61280457A/en
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of GB8520610D0 publication Critical patent/GB8520610D0/en
Publication of GB2166882A publication Critical patent/GB2166882A/en
Application granted granted Critical
Publication of GB2166882B publication Critical patent/GB2166882B/en
Expired 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
    • 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)
  • Color Printing (AREA)
GB08520610A 1984-08-21 1985-08-16 Recording materials Expired GB2166882B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59173591A JPS6151381A (en) 1984-08-21 1984-08-21 Recording material
JP12316785A JPS61280457A (en) 1985-06-06 1985-06-06 Production of benzoic acid derivative

Publications (3)

Publication Number Publication Date
GB8520610D0 GB8520610D0 (en) 1985-09-25
GB2166882A GB2166882A (en) 1986-05-14
GB2166882B true GB2166882B (en) 1988-06-02

Family

ID=26460164

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08520610A Expired GB2166882B (en) 1984-08-21 1985-08-16 Recording materials

Country Status (2)

Country Link
DE (1) DE3529796A1 (en)
GB (1) GB2166882B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4524373A (en) * 1982-02-24 1985-06-18 Kanzaki Paper Manufacturing Co., Ltd. Fluoran derivatives as new compounds, process for preparing the same and recording system utilizing the same as colorless chromogenic material

Also Published As

Publication number Publication date
GB2166882A (en) 1986-05-14
DE3529796A1 (en) 1986-05-22
GB8520610D0 (en) 1985-09-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030816