DE2634987A1 - Chromogene verbindungen - Google Patents

Chromogene verbindungen

Info

Publication number
DE2634987A1
DE2634987A1 DE19762634987 DE2634987A DE2634987A1 DE 2634987 A1 DE2634987 A1 DE 2634987A1 DE 19762634987 DE19762634987 DE 19762634987 DE 2634987 A DE2634987 A DE 2634987A DE 2634987 A1 DE2634987 A1 DE 2634987A1
Authority
DE
Germany
Prior art keywords
compound
ethyl
methylindol
furan
quinolin
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.)
Granted
Application number
DE19762634987
Other languages
German (de)
English (en)
Other versions
DE2634987C2 (cs
Inventor
Yoshihiro Hatano
Seiji Ikegami
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.)
Yamamoto Chemicals Inc
Original Assignee
Yamamoto Chemicals Inc
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 Yamamoto Chemicals Inc filed Critical Yamamoto Chemicals Inc
Publication of DE2634987A1 publication Critical patent/DE2634987A1/de
Application granted granted Critical
Publication of DE2634987C2 publication Critical patent/DE2634987C2/de
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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Color Printing (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
DE19762634987 1975-08-06 1976-08-04 Chromogene verbindungen Granted DE2634987A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50094950A JPS5220113A (en) 1975-08-06 1975-08-06 Recording materials

Publications (2)

Publication Number Publication Date
DE2634987A1 true DE2634987A1 (de) 1977-02-24
DE2634987C2 DE2634987C2 (cs) 1989-08-17

Family

ID=14124211

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762634987 Granted DE2634987A1 (de) 1975-08-06 1976-08-04 Chromogene verbindungen

Country Status (4)

Country Link
JP (1) JPS5220113A (cs)
BE (1) BE844962A (cs)
DE (1) DE2634987A1 (cs)
GB (1) GB1529076A (cs)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2257711A1 (de) * 1971-11-26 1973-05-30 Ciba Geigy Ag Verfahren zur herstellung von farbstoffbildnern aus indolen und anhydriden aromatischer oder heteroaromatischer, vicinaler dicarbonsaeuren, neue farbstoffbildner aus diesen substanzklassen und ihre verwendung
DE2259409A1 (de) * 1971-12-06 1973-06-20 Ncr Co Chromogene verbindung
DE2412509A1 (de) * 1973-03-15 1974-09-26 Hodogaya Chemical Co Ltd Lactonverbindungen von pyridin-carbonsaeuren und verfahren zu deren herstellung
DE2435408A1 (de) * 1973-07-24 1975-02-13 Hodogaya Chemical Co Ltd Lactonverbindung der pyridincarbonsaeure und verfahren zu deren herstellung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2257711A1 (de) * 1971-11-26 1973-05-30 Ciba Geigy Ag Verfahren zur herstellung von farbstoffbildnern aus indolen und anhydriden aromatischer oder heteroaromatischer, vicinaler dicarbonsaeuren, neue farbstoffbildner aus diesen substanzklassen und ihre verwendung
DE2259409A1 (de) * 1971-12-06 1973-06-20 Ncr Co Chromogene verbindung
DE2412509A1 (de) * 1973-03-15 1974-09-26 Hodogaya Chemical Co Ltd Lactonverbindungen von pyridin-carbonsaeuren und verfahren zu deren herstellung
DE2435408A1 (de) * 1973-07-24 1975-02-13 Hodogaya Chemical Co Ltd Lactonverbindung der pyridincarbonsaeure und verfahren zu deren herstellung

Also Published As

Publication number Publication date
JPS544283B2 (cs) 1979-03-05
BE844962A (fr) 1976-12-01
DE2634987C2 (cs) 1989-08-17
JPS5220113A (en) 1977-02-15
GB1529076A (en) 1978-10-18

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Legal Events

Date Code Title Description
8125 Change of the main classification

Ipc: B41M 5/12

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee