GB1303942A - - Google Patents

Info

Publication number
GB1303942A
GB1303942A GB1039071*[A GB1039071A GB1303942A GB 1303942 A GB1303942 A GB 1303942A GB 1039071 A GB1039071 A GB 1039071A GB 1303942 A GB1303942 A GB 1303942A
Authority
GB
United Kingdom
Prior art keywords
bis
phthalide
viz
methyl
ink
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
GB1039071*[A
Other languages
English (en)
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 filed Critical
Publication of GB1303942A publication Critical patent/GB1303942A/en
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
    • 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
GB1039071*[A 1971-02-01 1971-04-21 Expired GB1303942A (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1303942A true GB1303942A (xx) 1973-01-24

Family

ID=22339801

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1039071*[A Expired GB1303942A (xx) 1971-02-01 1971-04-21

Country Status (11)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0201225A2 (en) * 1985-04-24 1986-11-12 Moore Business Forms, Inc. Chromogenic mixtures

Families Citing this family (3)

* 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
JPH0159967U (xx) * 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0201225A2 (en) * 1985-04-24 1986-11-12 Moore Business Forms, Inc. Chromogenic mixtures
EP0201225A3 (en) * 1985-04-24 1986-12-30 Moore Business Forms, Inc. Chromogenic mixtures

Also Published As

Publication number Publication date
ZA712668B (en) 1972-01-26
DE2122301B2 (de) 1973-09-06
BE766838A (fr) 1971-10-01
JPS57201690A (en) 1982-12-10
SE382019B (sv) 1976-01-12
JPS55112279A (en) 1980-08-29
DE2122301C3 (de) 1974-04-25
JPS609066B2 (ja) 1985-03-07
NL7106236A (xx) 1972-08-03
FR2091140A5 (xx) 1972-01-14
JPS5739237B1 (xx) 1982-08-20
CA933705A (en) 1973-09-18
NL164594C (nl) 1981-01-15
CH579463A5 (xx) 1976-09-15
AT305318B (de) 1973-02-26
NL164594B (nl) 1980-08-15
DE2122301A1 (de) 1972-08-24
JPS6257518B2 (xx) 1987-12-01

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee