DE3671018D1 - Chromogene verbindungen. - Google Patents

Chromogene verbindungen.

Info

Publication number
DE3671018D1
DE3671018D1 DE8686300305T DE3671018T DE3671018D1 DE 3671018 D1 DE3671018 D1 DE 3671018D1 DE 8686300305 T DE8686300305 T DE 8686300305T DE 3671018 T DE3671018 T DE 3671018T DE 3671018 D1 DE3671018 D1 DE 3671018D1
Authority
DE
Germany
Prior art keywords
chromogenic compounds
chromogenic
compounds
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
DE8686300305T
Other languages
English (en)
Inventor
Nigel Hall
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of DE3671018D1 publication Critical patent/DE3671018D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-condensed systems
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Color Printing (AREA)
DE8686300305T 1985-02-22 1986-01-17 Chromogene verbindungen. Expired - Fee Related DE3671018D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858504631A GB8504631D0 (en) 1985-02-22 1985-02-22 Chromogenic compounds

Publications (1)

Publication Number Publication Date
DE3671018D1 true DE3671018D1 (de) 1990-06-13

Family

ID=10574933

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686300305T Expired - Fee Related DE3671018D1 (de) 1985-02-22 1986-01-17 Chromogene verbindungen.

Country Status (4)

Country Link
EP (1) EP0192328B1 (de)
JP (1) JPS61195164A (de)
DE (1) DE3671018D1 (de)
GB (1) GB8504631D0 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2181947A1 (en) * 1995-07-31 1997-02-01 New Oji Paper Co., Ltd. Heat sensitive recording material
JP4708548B2 (ja) * 2000-11-06 2011-06-22 日本曹達株式会社 ６−クロロニコチン誘導体の塩基性不純物除去方法
DE602005019556D1 (de) 2004-04-13 2010-04-08 Icagen Inc Polycyclische pyrazine als kaliumionenkanal-modulatoren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800457A (en) 1953-06-30 1957-07-23 Ncr Co Oil-containing microscopic capsules and method of making them
NL134885C (de) 1961-03-13 1900-01-01
CH490889A (de) 1965-08-02 1970-05-31 Ciba Geigy Verfahren zur Einkapselung von in einer Flüssigkeit fein verteilter Substanz
GB1135540A (en) 1966-06-01 1968-12-04 Ncr Co Temperature responsive record material
CH540715A (de) 1970-05-26 1973-10-15 Ciba Geigy Ag Verfahren zur Einkapselung von in einer Flüssigkeit fein verteilter Substanz
BE791793A (fr) * 1971-12-06 1973-03-16 Ncr Co Composes chromogenes
IE49314B1 (en) * 1978-12-11 1985-09-18 Sterling Drug Inc Substituted furopyridinones and furopyrazinones as color formers in pressure-sensitive and thermal imaging systems
US4508897A (en) * 1981-12-23 1985-04-02 Ciba Geigy Corporation Preparation of chromogenic azaphthalides
CH653353A5 (de) * 1983-05-09 1985-12-31 Ciba Geigy Ag Chromogene 3,3-bisindolyl-4-azaphthalide.

Also Published As

Publication number Publication date
GB8504631D0 (en) 1985-03-27
EP0192328B1 (de) 1990-05-09
JPS61195164A (ja) 1986-08-29
EP0192328A1 (de) 1986-08-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee