GB1348366A - Fluoran derivatives and their use in imparting colour - Google Patents

Fluoran derivatives and their use in imparting colour

Info

Publication number
GB1348366A
GB1348366A GB3639272A GB3639272A GB1348366A GB 1348366 A GB1348366 A GB 1348366A GB 3639272 A GB3639272 A GB 3639272A GB 3639272 A GB3639272 A GB 3639272A GB 1348366 A GB1348366 A GB 1348366A
Authority
GB
United Kingdom
Prior art keywords
fluoran derivatives
imparting colour
hydroxy
reacting
methyl
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
GB3639272A
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.)
NOSSO KAKO CO Ltd
Original Assignee
NOSSO KAKO CO 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 NOSSO KAKO CO Ltd filed Critical NOSSO KAKO CO Ltd
Publication of GB1348366A publication Critical patent/GB1348366A/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
    • C09B11/10—Amino derivatives of triarylmethanes
    • C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
    • 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)
  • Color Printing (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB3639272A 1972-01-22 1972-08-03 Fluoran derivatives and their use in imparting colour Expired GB1348366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47008428A JPS5122415B2 (enExample) 1972-01-22 1972-01-22

Publications (1)

Publication Number Publication Date
GB1348366A true GB1348366A (en) 1974-03-13

Family

ID=11692840

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3639272A Expired GB1348366A (en) 1972-01-22 1972-08-03 Fluoran derivatives and their use in imparting colour

Country Status (3)

Country Link
JP (1) JPS5122415B2 (enExample)
DE (1) DE2245504C2 (enExample)
GB (1) GB1348366A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156682A (en) 1973-10-05 1979-05-29 Sumitomo Chemical Company, Limited Fluoran compounds and recording sheet containing them
JPS5953193B2 (ja) * 1978-02-15 1984-12-24 神崎製紙株式会社 感熱記録体
JPS56124181A (en) * 1980-02-29 1981-09-29 Toshiba Corp Detecting device for interdata part
JPS5853043A (ja) * 1981-09-24 1983-03-29 Matsushita Electric Ind Co Ltd テ−ププレ−ヤ
DE3800575A1 (de) * 1988-01-12 1989-07-20 Basf Ag Fluoranverbindungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE34290B1 (en) * 1969-05-22 1975-04-02 Fuji Photo Film Co Ltd Process for preparation of fluoran compounds
JPS4934044B1 (enExample) * 1970-03-24 1974-09-11

Also Published As

Publication number Publication date
JPS4877909A (enExample) 1973-10-19
DE2245504C2 (de) 1983-11-17
DE2245504A1 (de) 1973-07-26
JPS5122415B2 (enExample) 1976-07-09

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414B Case decided by the comptroller ** grants allowed (sect. 14/1949)
49R Reference inserted (sect. 9/1949)
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee