AU472012B2 - Colour formers - Google Patents

Colour formers

Info

Publication number
AU472012B2
AU472012B2 AU52377/73A AU5237773A AU472012B2 AU 472012 B2 AU472012 B2 AU 472012B2 AU 52377/73 A AU52377/73 A AU 52377/73A AU 5237773 A AU5237773 A AU 5237773A AU 472012 B2 AU472012 B2 AU 472012B2
Authority
AU
Australia
Prior art keywords
colour formers
formers
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
AU52377/73A
Other versions
AU5237773A (en
Inventor
HUGHES and ANDREW HUNTER MORRIS RENFREW NIGEL
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 AU5237773A publication Critical patent/AU5237773A/en
Application granted granted Critical
Publication of AU472012B2 publication Critical patent/AU472012B2/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
AU52377/73A 1972-02-21 1973-02-20 Colour formers Expired AU472012B2 (en)

Applications Claiming Priority (2)

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
GBGB7848/72 1972-02-21

Publications (2)

Publication Number Publication Date
AU5237773A AU5237773A (en) 1974-08-22
AU472012B2 true AU472012B2 (en) 1976-05-13

Family

ID=9840949

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52377/73A Expired AU472012B2 (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
ES2064481T3 (en) * 1988-04-27 1995-02-01 Ciba Geigy Ag BENZOPYRAN-2H-PIRAZOLES CHROMOGEN LACTONE COMPOUNDS.

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
US3491111A (en) * 1967-01-30 1970-01-20 Ncr Co Indole- and carbazole-substituted 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
BR7301278D0 (en) 1974-05-16
FR2173102B1 (en) 1977-04-29
JPS4894731A (en) 1973-12-06
IN139665B (en) 1976-07-17
DE2308624A1 (en) 1973-09-06
AU5237773A (en) 1974-08-22
BE795746A (en) 1973-08-21
IT980489B (en) 1974-09-30
NL7302321A (en) 1973-08-23
FR2173102A1 (en) 1973-10-05
US3837889A (en) 1974-09-24
GB1412293A (en) 1975-11-05
AR193580A1 (en) 1973-04-30
ES411827A1 (en) 1976-09-01

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