AT271513B - Process for making chromogenic compounds - Google Patents

Process for making chromogenic compounds

Info

Publication number
AT271513B
AT271513B AT89168A AT89168A AT271513B AT 271513 B AT271513 B AT 271513B AT 89168 A AT89168 A AT 89168A AT 89168 A AT89168 A AT 89168A AT 271513 B AT271513 B AT 271513B
Authority
AT
Austria
Prior art keywords
chromogenic compounds
making
making chromogenic
compounds
chromogenic
Prior art date
Application number
AT89168A
Other languages
German (de)
Original Assignee
Ncr Co
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 Ncr Co filed Critical Ncr Co
Application granted granted Critical
Publication of AT271513B publication Critical patent/AT271513B/en

Links

Classifications

    • 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
    • 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
    • C09B11/06—Hydroxy derivatives of triarylmethanes in which at least one OH group is bound to an aryl nucleus and their ethers or esters
    • C09B11/08—Phthaleins; Phenolphthaleins; Fluorescein
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Color Printing (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
AT89168A 1967-01-30 1968-01-30 Process for making chromogenic compounds AT271513B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61252467A 1967-01-30 1967-01-30

Publications (1)

Publication Number Publication Date
AT271513B true AT271513B (en) 1969-06-10

Family

ID=24453521

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89168A AT271513B (en) 1967-01-30 1968-01-30 Process for making chromogenic compounds

Country Status (5)

Country Link
AT (1) AT271513B (en)
DK (1) DK123773B (en)
ES (1) ES349863A1 (en)
NO (1) NO126687B (en)
SE (1) SE325575B (en)

Also Published As

Publication number Publication date
NO126687B (en) 1973-03-12
DK123773B (en) 1972-07-31
SE325575B (en) 1970-07-06
ES349863A1 (en) 1969-04-16

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