GB1412293A - Fluoran compounds and their use in pressure-sensitive copying paper - Google Patents

Fluoran compounds and their use in pressure-sensitive copying paper

Info

Publication number
GB1412293A
GB1412293A GB784872A GB784872A GB1412293A GB 1412293 A GB1412293 A GB 1412293A GB 784872 A GB784872 A GB 784872A GB 784872 A GB784872 A GB 784872A GB 1412293 A GB1412293 A GB 1412293A
Authority
GB
United Kingdom
Prior art keywords
optionally substituted
alkyl
compounds
pressure
sensitive copying
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
GB784872A
Other languages
English (en)
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
Priority to BE795746D priority Critical patent/BE795746A/xx
Application filed by Wiggins Teape Ltd filed Critical Wiggins Teape Ltd
Priority to GB784872A priority patent/GB1412293A/en
Priority to US00333347A priority patent/US3837889A/en
Priority to IN356/CAL/73A priority patent/IN139665B/en
Priority to IT7367422A priority patent/IT980489B/it
Priority to AU52377/73A priority patent/AU472012B2/en
Priority to ES73411827A priority patent/ES411827A1/es
Priority to NL7302321A priority patent/NL7302321A/xx
Priority to FR7306077A priority patent/FR2173102B1/fr
Priority to DE19732308624 priority patent/DE2308624A1/de
Priority to BR731278A priority patent/BR7301278D0/pt
Priority to JP48020302A priority patent/JPS4894731A/ja
Priority to AR246712A priority patent/AR193580A1/es
Publication of GB1412293A publication Critical patent/GB1412293A/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)
GB784872A 1972-02-21 1972-02-21 Fluoran compounds and their use in pressure-sensitive copying paper Expired GB1412293A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
BE795746D BE795746A (fr) 1972-02-21 Nouveaux formateurs de couleur
GB784872A GB1412293A (en) 1972-02-21 1972-02-21 Fluoran compounds and their use in pressure-sensitive copying paper
US00333347A US3837889A (en) 1972-02-21 1973-02-16 Colour formers
IN356/CAL/73A IN139665B (enExample) 1972-02-21 1973-02-17
NL7302321A NL7302321A (enExample) 1972-02-21 1973-02-20
AU52377/73A AU472012B2 (en) 1972-02-21 1973-02-20 Colour formers
ES73411827A ES411827A1 (es) 1972-02-21 1973-02-20 Un metodo de preparacion de formadores de color incoloros.
IT7367422A IT980489B (it) 1972-02-21 1973-02-20 Agente cromogeno particolarmente per copiatura a pressione e pro cedimento per la sua fabbricazione
FR7306077A FR2173102B1 (enExample) 1972-02-21 1973-02-21
DE19732308624 DE2308624A1 (de) 1972-02-21 1973-02-21 Farbbildner
BR731278A BR7301278D0 (pt) 1972-02-21 1973-02-21 Formadores incolores de cor
JP48020302A JPS4894731A (enExample) 1972-02-21 1973-02-21
AR246712A AR193580A1 (es) 1972-02-21 1973-02-21 Formador de color incoloro adaptado al uso en sitemas de copia sensibles a presion y metodo para prepararlo

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
GB1412293A true GB1412293A (en) 1975-11-05

Family

ID=9840949

Family Applications (1)

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

Country Status (13)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138245B2 (enExample) * 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 (ja) * 1985-03-20 1986-09-24 Fuji Photo Film Co Ltd 感圧記録材料
ES2064481T3 (es) * 1988-04-27 1995-02-01 Ciba Geigy Ag Compuestos lactona cromogenos de benzopirano-2h-pirazoles.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1553291A (enExample) * 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 (enExample) * 1969-12-05 1973-05-21
DE2036817A1 (de) * 1970-07-24 1972-01-27 Farbwerke Hoechst AG vormals Meister Lucius & Brüning, 6000 Frankfurt Neue farbbildende Lactone, Verfahren zu ihrer Herstellung und ihre Anwendung bei druckempfindlichen Aufzeichnungs- und Vervielfältigungsmaterial
US3746562A (en) * 1970-11-16 1973-07-17 Ncr Mark forming record materials

Also Published As

Publication number Publication date
IT980489B (it) 1974-09-30
US3837889A (en) 1974-09-24
AU472012B2 (en) 1976-05-13
IN139665B (enExample) 1976-07-17
FR2173102B1 (enExample) 1977-04-29
ES411827A1 (es) 1976-09-01
NL7302321A (enExample) 1973-08-23
AR193580A1 (es) 1973-04-30
DE2308624A1 (de) 1973-09-06
FR2173102A1 (enExample) 1973-10-05
AU5237773A (en) 1974-08-22
BR7301278D0 (pt) 1974-05-16
BE795746A (fr) 1973-08-21
JPS4894731A (enExample) 1973-12-06

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Legal Events

Date Code Title Description
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees