BE844962A - Nouveaux composes lactoniques chromogenes - Google Patents

Nouveaux composes lactoniques chromogenes

Info

Publication number
BE844962A
BE844962A BE169620A BE169620A BE844962A BE 844962 A BE844962 A BE 844962A BE 169620 A BE169620 A BE 169620A BE 169620 A BE169620 A BE 169620A BE 844962 A BE844962 A BE 844962A
Authority
BE
Belgium
Prior art keywords
chromogenous
new
lactonic
compounds
lactonic compounds
Prior art date
Application number
BE169620A
Other languages
English (en)
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 filed Critical
Publication of BE844962A publication Critical patent/BE844962A/fr

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)
BE169620A 1975-08-06 1976-08-06 Nouveaux composes lactoniques chromogenes BE844962A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE844962A true BE844962A (fr) 1976-12-01

Family

ID=14124211

Family Applications (1)

Application Number Title Priority Date Filing Date
BE169620A BE844962A (fr) 1975-08-06 1976-08-06 Nouveaux composes lactoniques chromogenes

Country Status (4)

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

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 (fr) * 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
GB1529076A (en) 1978-10-18
JPS544283B2 (fr) 1979-03-05
DE2634987A1 (de) 1977-02-24
JPS5220113A (en) 1977-02-15
DE2634987C2 (fr) 1989-08-17

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: YAMAMOTO KAGAKU GOSEI CO. LTD

Effective date: 19900831