ZA712668B - Chromogenic printing inks - Google Patents

Chromogenic printing inks

Info

Publication number
ZA712668B
ZA712668B ZA712668A ZA712668A ZA712668B ZA 712668 B ZA712668 B ZA 712668B ZA 712668 A ZA712668 A ZA 712668A ZA 712668 A ZA712668 A ZA 712668A ZA 712668 B ZA712668 B ZA 712668B
Authority
ZA
South Africa
Prior art keywords
printing inks
chromogenic
chromogenic printing
inks
printing
Prior art date
Application number
ZA712668A
Other languages
English (en)
Inventor
B Brockett
R Marzocco
F Weaver
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 ZA712668B publication Critical patent/ZA712668B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/50—Sympathetic, colour changing or similar inks
    • 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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
ZA712668A 1971-02-01 1971-04-26 Chromogenic printing inks ZA712668B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11166771A 1971-02-01 1971-02-01

Publications (1)

Publication Number Publication Date
ZA712668B true ZA712668B (en) 1972-01-26

Family

ID=22339801

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA712668A ZA712668B (en) 1971-02-01 1971-04-26 Chromogenic printing inks

Country Status (11)

Country Link
JP (3) JPS5739237B1 (de)
AT (1) AT305318B (de)
BE (1) BE766838A (de)
CA (1) CA933705A (de)
CH (1) CH579463A5 (de)
DE (1) DE2122301C3 (de)
FR (1) FR2091140A5 (de)
GB (1) GB1303942A (de)
NL (1) NL164594C (de)
SE (1) SE382019B (de)
ZA (1) ZA712668B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469481A (en) * 1974-02-01 1977-04-06 Ciba Geigy Ag Pressure-sensitive copying material
US4639271A (en) * 1985-04-24 1987-01-27 Moore Business Forms, Inc. Chromogenic mixtures
JPH0159967U (de) * 1987-10-07 1989-04-14
JP6946938B2 (ja) 2017-10-31 2021-10-13 セイコーエプソン株式会社 画像読取装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509174A (en) * 1967-01-30 1970-04-28 Ncr Co 3-(indol-3-yl)-phthalides

Also Published As

Publication number Publication date
NL7106236A (de) 1972-08-03
JPS5739237B1 (de) 1982-08-20
CA933705A (en) 1973-09-18
NL164594C (nl) 1981-01-15
CH579463A5 (de) 1976-09-15
DE2122301A1 (de) 1972-08-24
NL164594B (nl) 1980-08-15
GB1303942A (de) 1973-01-24
BE766838A (fr) 1971-10-01
FR2091140A5 (de) 1972-01-14
DE2122301B2 (de) 1973-09-06
JPS609066B2 (ja) 1985-03-07
SE382019B (sv) 1976-01-12
JPS6257518B2 (de) 1987-12-01
DE2122301C3 (de) 1974-04-25
AT305318B (de) 1973-02-26
JPS57201690A (en) 1982-12-10
JPS55112279A (en) 1980-08-29

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