ES411827A1 - Colour formers - Google Patents

Colour formers

Info

Publication number
ES411827A1
ES411827A1 ES73411827A ES411827A ES411827A1 ES 411827 A1 ES411827 A1 ES 411827A1 ES 73411827 A ES73411827 A ES 73411827A ES 411827 A ES411827 A ES 411827A ES 411827 A1 ES411827 A1 ES 411827A1
Authority
ES
Spain
Prior art keywords
colour formers
formers
colour
general formula
colourless colour
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
ES73411827A
Other languages
Spanish (es)
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.)
Arjo Wiggins Ltd
Original Assignee
Wiggins Teape 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 Wiggins Teape Ltd filed Critical Wiggins Teape Ltd
Publication of ES411827A1 publication Critical patent/ES411827A1/en
Expired legal-status Critical Current

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
    • B41M5/124—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Color Printing (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Abstract

Colourless colour formers which are compounds characterised by the general formula:
ES73411827A 1972-02-21 1973-02-20 Colour formers Expired ES411827A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB784872A GB1412293A (en) 1972-02-21 1972-02-21 Fluoran compounds and their use in pressure-sensitive copying paper

Publications (1)

Publication Number Publication Date
ES411827A1 true ES411827A1 (en) 1976-09-01

Family

ID=9840949

Family Applications (1)

Application Number Title Priority Date Filing Date
ES73411827A Expired ES411827A1 (en) 1972-02-21 1973-02-20 Colour formers

Country Status (13)

Country Link
US (1) US3837889A (en)
JP (1) JPS4894731A (en)
AR (1) AR193580A1 (en)
AU (1) AU472012B2 (en)
BE (1) BE795746A (en)
BR (1) BR7301278D0 (en)
DE (1) DE2308624A1 (en)
ES (1) ES411827A1 (en)
FR (1) FR2173102B1 (en)
GB (1) GB1412293A (en)
IN (1) IN139665B (en)
IT (1) IT980489B (en)
NL (1) NL7302321A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138245B2 (en) * 1973-05-22 1976-10-20
US3929825A (en) * 1974-04-18 1975-12-30 Mead Corp Pyrazoloxanthene compounds and process for producing same
GB1561230A (en) * 1976-02-23 1980-02-13 Sankio Chemical Co Ltd Aminothiofluoran compounds process for the production thereof and recording elements containing the same
US4351768A (en) * 1977-03-01 1982-09-28 Sterling Drug Inc. 2-[(3-Indolyl)carbonyl]-4/5-carboxybenzoic acids
JPS61215085A (en) * 1985-03-20 1986-09-24 Fuji Photo Film Co Ltd Pressure-sensitive recording material
DE58908670D1 (en) * 1988-04-27 1995-01-12 Ciba Geigy Ag Chromogenic lactone compounds of benzopyrano-2H-pyrazoles.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1553291A (en) * 1967-01-27 1969-01-10
US3491116A (en) * 1967-01-30 1970-01-20 Ncr Co 3-(phenyl)-3-(indol-3-yl)-phthalides
US3649649A (en) * 1967-07-10 1972-03-14 Nisso Kako Co Ltd Fluoran derivatives and preparation thereof
JPS4816202B1 (en) * 1969-12-05 1973-05-21
DE2036817A1 (en) * 1970-07-24 1972-01-27 Farbwerke Hoechst AG vormals Meister Lucius & Brüning, 6000 Frankfurt New color-forming lactones, processes for their production and their use in pressure-sensitive recording and duplicating materials
US3746562A (en) * 1970-11-16 1973-07-17 Ncr Mark forming record materials

Also Published As

Publication number Publication date
DE2308624A1 (en) 1973-09-06
FR2173102B1 (en) 1977-04-29
BE795746A (en) 1973-08-21
GB1412293A (en) 1975-11-05
AR193580A1 (en) 1973-04-30
IT980489B (en) 1974-09-30
BR7301278D0 (en) 1974-05-16
JPS4894731A (en) 1973-12-06
AU5237773A (en) 1974-08-22
NL7302321A (en) 1973-08-23
US3837889A (en) 1974-09-24
FR2173102A1 (en) 1973-10-05
IN139665B (en) 1976-07-17
AU472012B2 (en) 1976-05-13

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