DK123773B - Process for the preparation of chromogenic heterocyclic phthalides. - Google Patents

Process for the preparation of chromogenic heterocyclic phthalides.

Info

Publication number
DK123773B
DK123773B DK33768AA DK33768A DK123773B DK 123773 B DK123773 B DK 123773B DK 33768A A DK33768A A DK 33768AA DK 33768 A DK33768 A DK 33768A DK 123773 B DK123773 B DK 123773B
Authority
DK
Denmark
Prior art keywords
chromogenic
preparation
phthalides
heterocyclic
heterocyclic phthalides
Prior art date
Application number
DK33768AA
Other languages
Danish (da)
Inventor
C Lin
Original Assignee
Ncr
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 filed Critical Ncr
Publication of DK123773B publication Critical patent/DK123773B/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)
DK33768AA 1967-01-30 1968-01-29 Process for the preparation of chromogenic heterocyclic phthalides. DK123773B (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
DK123773B true DK123773B (en) 1972-07-31

Family

ID=24453521

Family Applications (1)

Application Number Title Priority Date Filing Date
DK33768AA DK123773B (en) 1967-01-30 1968-01-29 Process for the preparation of chromogenic heterocyclic phthalides.

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
AT271513B (en) 1969-06-10
NO126687B (en) 1973-03-12
ES349863A1 (en) 1969-04-16
SE325575B (en) 1970-07-06

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Legal Events

Date Code Title Description
PBP Patent lapsed