GB2211508B - Recording material - Google Patents

Recording material

Info

Publication number
GB2211508B
GB2211508B GB8825423A GB8825423A GB2211508B GB 2211508 B GB2211508 B GB 2211508B GB 8825423 A GB8825423 A GB 8825423A GB 8825423 A GB8825423 A GB 8825423A GB 2211508 B GB2211508 B GB 2211508B
Authority
GB
United Kingdom
Prior art keywords
recording material
recording
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 - Fee Related
Application number
GB8825423A
Other languages
English (en)
Other versions
GB2211508A (en
GB8825423D0 (en
Inventor
Kunio Hayakawa
Hiromi Furuya
Miho Katoh
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of GB8825423D0 publication Critical patent/GB8825423D0/en
Publication of GB2211508A publication Critical patent/GB2211508A/en
Application granted granted Critical
Publication of GB2211508B publication Critical patent/GB2211508B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/0091—Methine or polymethine dyes, e.g. cyanine dyes having only one heterocyclic ring at one end of the methine chain, e.g. hemicyamines, hemioxonol
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/02—Diaryl- or thriarylmethane dyes derived from diarylmethanes

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)
GB8825423A 1987-10-29 1988-10-31 Recording material Expired - Fee Related GB2211508B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27378687 1987-10-29
JP10156488 1988-04-25

Publications (3)

Publication Number Publication Date
GB8825423D0 GB8825423D0 (en) 1988-11-30
GB2211508A GB2211508A (en) 1989-07-05
GB2211508B true GB2211508B (en) 1991-06-12

Family

ID=26442434

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8825423A Expired - Fee Related GB2211508B (en) 1987-10-29 1988-10-31 Recording material

Country Status (2)

Country Link
FR (1) FR2622591B1 (fr)
GB (1) GB2211508B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985345A (en) * 1989-02-02 1991-01-15 Ricoh Company, Ltd. Recording material
JP3306596B2 (ja) * 1991-04-26 2002-07-24 山田化学工業株式会社 フタリド化合物及びこれを使用した記録材料

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020056A (en) * 1975-04-10 1977-04-26 Ncr Corporation Di-vinyl phthalides color formers
EP0127203B1 (fr) * 1981-04-08 1989-06-28 Kanzaki Paper Manufacturing Co., Ltd Dérivés du phtalide, procédé pour leur préparation et système d'enregistrement les utilisant comme matériau chromogène incolore

Also Published As

Publication number Publication date
GB2211508A (en) 1989-07-05
GB8825423D0 (en) 1988-11-30
FR2622591B1 (fr) 1992-10-16
FR2622591A1 (fr) 1989-05-05

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Legal Events

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

Effective date: 20041031