DE2634987C2 - - Google Patents

Info

Publication number
DE2634987C2
DE2634987C2 DE19762634987 DE2634987A DE2634987C2 DE 2634987 C2 DE2634987 C2 DE 2634987C2 DE 19762634987 DE19762634987 DE 19762634987 DE 2634987 A DE2634987 A DE 2634987A DE 2634987 C2 DE2634987 C2 DE 2634987C2
Authority
DE
Germany
Prior art keywords
ethyl
furan
quinolin
methylindol
color
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
DE19762634987
Other languages
German (de)
English (en)
Other versions
DE2634987A1 (de
Inventor
Seiji Moriguchi Osaka Jp Ikegami
Yoshihiro Osaka Jp Hatano
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)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Developing Agents For Electrophotography (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 DE2634987A1 (de) 1977-02-24
DE2634987C2 true DE2634987C2 (nl) 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 (nl)
BE (1) BE844962A (nl)
DE (1) DE2634987A1 (nl)
GB (1) GB1529076A (nl)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791898A (fr) * 1971-11-26 1973-05-24 Ciba Geigy Ag Procede de preparation de substances chromogenes a partir d'indoles et d'anhydrides d'acides dicarboxyliques vicinaux, aromatiques ou heteroaromatiques, nouveaux chromogenes de cette categorie et leur emploi
DE2259409C2 (de) * 1971-12-06 1985-10-10 Appleton Papers Inc., Appleton, Wis. Chromogene Furo[3,4-b]pyridin-7-one und -pyrazin-5-one
JPS5124362B2 (nl) * 1973-03-15 1976-07-23
JPS585210B2 (ja) * 1973-07-24 1983-01-29 保土谷化学工業株式会社 シキソ ノ セイソクウホウホウ

Also Published As

Publication number Publication date
JPS544283B2 (nl) 1979-03-05
JPS5220113A (en) 1977-02-15
BE844962A (fr) 1976-12-01
GB1529076A (en) 1978-10-18
DE2634987A1 (de) 1977-02-24

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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