ES442128A1 - Un metodo de preparacion de formadores de color incoloros. - Google Patents

Un metodo de preparacion de formadores de color incoloros.

Info

Publication number
ES442128A1
ES442128A1 ES75442128A ES442128A ES442128A1 ES 442128 A1 ES442128 A1 ES 442128A1 ES 75442128 A ES75442128 A ES 75442128A ES 442128 A ES442128 A ES 442128A ES 442128 A1 ES442128 A1 ES 442128A1
Authority
ES
Spain
Prior art keywords
optionally substituted
aralkyl
aryl radical
substituted alkyl
ring
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
ES75442128A
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
Application filed by Wiggins Teape Ltd filed Critical Wiggins Teape Ltd
Publication of ES442128A1 publication Critical patent/ES442128A1/es
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Color Printing (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
ES75442128A 1972-02-21 1975-10-27 Un metodo de preparacion de formadores de color incoloros. Expired ES442128A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB785072A GB1420331A (en) 1972-02-21 1972-02-21 Fluoran compounds and their use in pressure-sensitive copying paper

Publications (1)

Publication Number Publication Date
ES442128A1 true ES442128A1 (es) 1977-04-01

Family

ID=9840994

Family Applications (2)

Application Number Title Priority Date Filing Date
ES411828A Expired ES411828A1 (es) 1972-02-21 1973-02-20 Un metodo de preparacion de formadores de color incoloros.
ES75442128A Expired ES442128A1 (es) 1972-02-21 1975-10-27 Un metodo de preparacion de formadores de color incoloros.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES411828A Expired ES411828A1 (es) 1972-02-21 1973-02-20 Un metodo de preparacion de formadores de color incoloros.

Country Status (8)

Country Link
JP (1) JPS4896624A (es)
BE (1) BE795747A (es)
BR (1) BR7301290D0 (es)
DE (1) DE2308638A1 (es)
ES (2) ES411828A1 (es)
FR (1) FR2173103A1 (es)
GB (1) GB1420331A (es)
IT (1) IT984384B (es)

Also Published As

Publication number Publication date
BE795747A (fr) 1973-08-21
DE2308638A1 (de) 1973-09-06
FR2173103A1 (es) 1973-10-05
BR7301290D0 (pt) 1974-07-25
JPS4896624A (es) 1973-12-10
ES411828A1 (es) 1976-05-16
GB1420331A (en) 1976-01-07
IT984384B (it) 1974-11-20

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