ZA724233B - Colourless colour formers for use in copying processes - Google Patents

Colourless colour formers for use in copying processes

Info

Publication number
ZA724233B
ZA724233B ZA724233A ZA724233A ZA724233B ZA 724233 B ZA724233 B ZA 724233B ZA 724233 A ZA724233 A ZA 724233A ZA 724233 A ZA724233 A ZA 724233A ZA 724233 B ZA724233 B ZA 724233B
Authority
ZA
South Africa
Prior art keywords
copying processes
colour formers
colourless colour
colourless
formers
Prior art date
Application number
ZA724233A
Inventor
A Renfrew
R Evans
K Holt
Original Assignee
Ici 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 Ici Ltd filed Critical Ici Ltd
Publication of ZA724233B publication Critical patent/ZA724233B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B11/00Diaryl- or thriarylmethane dyes
    • C09B11/02Diaryl- or thriarylmethane dyes derived from diarylmethanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/0253Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using a chemical colour-forming ink, e.g. chemical hectography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124Duplicating 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
    • B41M5/132Chemical colour-forming components; Additives or binders therefor
    • B41M5/136Organic colour formers, e.g. leuco dyes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01Sulfonic acids
    • C07C309/28Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C309/45Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
    • C07C309/46Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton having the sulfo groups bound to carbon atoms of non-condensed six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00Systems containing at least three condensed rings
    • C07C2603/02Ortho- or ortho- and peri-condensed systems
    • C07C2603/04Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/06Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2603/10Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2603/12Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
    • C07C2603/18Fluorenes; Hydrogenated fluorenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogenated Pyridines (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
ZA724233A 1971-06-25 1972-06-20 Colourless colour formers for use in copying processes ZA724233B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2990871 1971-06-25

Publications (1)

Publication Number Publication Date
ZA724233B true ZA724233B (en) 1973-05-30

Family

ID=10299167

Family Applications (2)

Application Number Title Priority Date Filing Date
ZA724186A ZA724186B (en) 1971-06-25 1972-06-19 Spirit reproducing carbon papers
ZA724233A ZA724233B (en) 1971-06-25 1972-06-20 Colourless colour formers for use in copying processes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ZA724186A ZA724186B (en) 1971-06-25 1972-06-19 Spirit reproducing carbon papers

Country Status (14)

Country Link
AR (1) AR193997A1 (en)
AU (1) AU4383372A (en)
BE (2) BE785403A (en)
BR (2) BR7204129D0 (en)
CH (1) CH577390A5 (en)
CS (1) CS156547B2 (en)
DD (2) DD100485A5 (en)
DE (1) DE2231135A1 (en)
ES (1) ES404239A1 (en)
FR (2) FR2143446B1 (en)
IT (2) IT959969B (en)
LU (2) LU65574A1 (en)
NL (2) NL7208639A (en)
ZA (2) ZA724186B (en)

Also Published As

Publication number Publication date
NL7208640A (en) 1972-12-28
LU65574A1 (en) 1972-10-26
FR2143445B1 (en) 1973-07-13
BE785403A (en) 1972-12-27
IT968397B (en) 1974-03-20
DE2231136B2 (en) 1977-04-28
FR2143446A1 (en) 1973-02-02
CS156547B2 (en) 1974-07-24
DD98045A5 (en) 1973-06-05
IT959969B (en) 1973-11-10
DE2231136A1 (en) 1973-01-11
ES404239A1 (en) 1975-05-16
AR193997A1 (en) 1973-06-12
FR2143445A1 (en) 1973-02-02
ZA724186B (en) 1973-05-30
NL7208639A (en) 1972-12-28
AU4383372A (en) 1974-01-03
DE2231135A1 (en) 1973-01-11
BR7204130D0 (en) 1973-06-05
DD100485A5 (en) 1973-09-20
BE785402A (en) 1972-12-27
LU65575A1 (en) 1972-10-26
CH577390A5 (en) 1976-07-15
BR7204129D0 (en) 1973-06-14
FR2143446B1 (en) 1973-07-13

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