BE819582A - Nitro-chromenopyrazoles - Google Patents

Nitro-chromenopyrazoles

Info

Publication number
BE819582A
BE819582A BE148238A BE148238A BE819582A BE 819582 A BE819582 A BE 819582A BE 148238 A BE148238 A BE 148238A BE 148238 A BE148238 A BE 148238A BE 819582 A BE819582 A BE 819582A
Authority
BE
Belgium
Prior art keywords
chromenopyrazoles
nitro
Prior art date
Application number
BE148238A
Other languages
English (en)
French (fr)
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 BE819582A publication Critical patent/BE819582A/xx

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
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/26—Triarylmethane dyes in which at least one of the aromatic nuclei is heterocyclic
    • 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
    • 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
    • B41M5/1455—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds
    • 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
    • B41M5/3275—Fluoran compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Color Printing (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
BE148238A 1973-09-06 1974-09-05 Nitro-chromenopyrazoles BE819582A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4196473A GB1469515A (en) 1973-09-06 1973-09-06 Chromeno-pyrazole compounds their manufacture and their use in thermo-reactive recording material
CH1047574A CH591338A5 (de) 1973-09-06 1974-07-30

Publications (1)

Publication Number Publication Date
BE819582A true BE819582A (fr) 1975-03-05

Family

ID=25706723

Family Applications (2)

Application Number Title Priority Date Filing Date
BE148238A BE819582A (fr) 1973-09-06 1974-09-05 Nitro-chromenopyrazoles
BE148237A BE819581A (fr) 1973-09-06 1974-09-05 Matiere d'enregistrement thermoreactive

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE148237A BE819581A (fr) 1973-09-06 1974-09-05 Matiere d'enregistrement thermoreactive

Country Status (13)

Country Link
US (2) US3974175A (de)
JP (2) JPS5076134A (de)
AT (1) AT332896B (de)
BE (2) BE819582A (de)
CH (1) CH591338A5 (de)
DE (2) DE2441594A1 (de)
ES (1) ES429768A1 (de)
FI (1) FI245074A (de)
FR (2) FR2243196B1 (de)
GB (1) GB1469515A (de)
IT (2) IT1032071B (de)
NL (1) NL7411752A (de)
SE (1) SE7410628L (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585288A (ja) * 1981-07-03 1983-01-12 Honshu Paper Co Ltd 感熱記録体
ES2064481T3 (es) * 1988-04-27 1995-02-01 Ciba Geigy Ag Compuestos lactona cromogenos de benzopirano-2h-pirazoles.
US9399716B2 (en) * 2013-07-02 2016-07-26 Chromatic Technologies Inc. Yellow thermochromic dyes, inks composition and level indicators
WO2015048536A1 (en) * 2013-09-27 2015-04-02 Chromatic Technologies Inc. Red thermochromic dyes and their ink compositions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1264636A (de) 1968-07-15 1972-02-23
FR2018169A1 (de) * 1968-09-16 1970-05-29 Fuji Photo Film Co Ltd

Also Published As

Publication number Publication date
IT1029575B (it) 1979-03-20
DE2441594A1 (de) 1975-03-13
US4039557A (en) 1977-08-02
BE819581A (fr) 1975-03-05
FR2243084B1 (de) 1980-06-27
SE7410628L (de) 1975-03-07
JPS5076134A (de) 1975-06-21
NL7411752A (nl) 1975-03-10
ES429768A1 (es) 1977-03-16
AT332896B (de) 1976-10-25
DE2441595A1 (de) 1975-03-13
FR2243084A1 (de) 1975-04-04
JPS5073644A (de) 1975-06-17
ATA715874A (de) 1976-02-15
FI245074A (de) 1975-03-07
FR2243196A1 (de) 1975-04-04
IT1032071B (it) 1979-05-30
US3974175A (en) 1976-08-10
FR2243196B1 (de) 1978-06-09
CH591338A5 (de) 1977-09-15
GB1469515A (en) 1977-04-06

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