FR2046319A5 - Colour forming printing ink - Google Patents

Colour forming printing ink

Info

Publication number
FR2046319A5
FR2046319A5 FR7014547A FR7014547A FR2046319A5 FR 2046319 A5 FR2046319 A5 FR 2046319A5 FR 7014547 A FR7014547 A FR 7014547A FR 7014547 A FR7014547 A FR 7014547A FR 2046319 A5 FR2046319 A5 FR 2046319A5
Authority
FR
France
Prior art keywords
printing ink
colour forming
forming printing
clothers
cpd
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
FR7014547A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of FR2046319A5 publication Critical patent/FR2046319A5/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/10—Spiro-condensed systems
    • 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
    • B41M5/15—Spiro-pyrans
    • 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

Abstract

Preventing dirtying of hands or clothers of printer is effected with combination of colourless spiro cpd of formula- (where R and R' are H, 1-8C alkyl, alkoxycarbonyl, aralkyl or phenyl) contained in neutral organic solvent, with electron-accepting solid acid forming coating of printing sheet.
FR7014547A 1969-04-23 1970-04-22 Colour forming printing ink Expired FR2046319A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3139069 1969-04-23

Publications (1)

Publication Number Publication Date
FR2046319A5 true FR2046319A5 (en) 1971-03-05

Family

ID=12329921

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7014547A Expired FR2046319A5 (en) 1969-04-23 1970-04-22 Colour forming printing ink

Country Status (2)

Country Link
DE (1) DE2019822A1 (en)
FR (1) FR2046319A5 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737207A1 (en) * 1977-08-18 1979-03-01 Basf Ag COLOR PICTURES FOR COPYING

Also Published As

Publication number Publication date
DE2019822A1 (en) 1971-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse