IE34334B1 - Fluoran compounds and pressure-sensitive copying paper - Google Patents

Fluoran compounds and pressure-sensitive copying paper

Info

Publication number
IE34334B1
IE34334B1 IE809/70A IE80970A IE34334B1 IE 34334 B1 IE34334 B1 IE 34334B1 IE 809/70 A IE809/70 A IE 809/70A IE 80970 A IE80970 A IE 80970A IE 34334 B1 IE34334 B1 IE 34334B1
Authority
IE
Ireland
Prior art keywords
copying paper
pressure
sensitive copying
fluoran compounds
june
Prior art date
Application number
IE809/70A
Other versions
IE34334L (en
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
Publication of IE34334L publication Critical patent/IE34334L/en
Publication of IE34334B1 publication Critical patent/IE34334B1/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
    • B41M5/1455—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds
    • 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
    • C09B11/10—Amino derivatives of triarylmethanes
    • C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/914—Transfer or decalcomania
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31844—Of natural gum, rosin, natural oil or lac
    • Y10T428/31848—Next to cellulosic

Abstract

1,264,936. Pressure-sensitive copying paper. FUJI PHOTO FILM CO. Ltd. 22 June, 1970 [27 June, 1969], No. 30232/70. Heading D2B. [Also in Division C4] Fluoran colour formers of the general formula wherein R 1 and R 2 are C 1 -C 5 alkyl, R 3 is acyl and R 4 an aryl group are used in pressuresensitive copying paper, optionally in admixture with at least one other known colour former. [GB1264936A]
IE809/70A 1969-06-27 1970-06-23 Fluoran compounds and pressure-sensitive copying paper IE34334B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5081969 1969-06-27

Publications (2)

Publication Number Publication Date
IE34334L IE34334L (en) 1970-12-27
IE34334B1 true IE34334B1 (en) 1975-04-16

Family

ID=12869356

Family Applications (1)

Application Number Title Priority Date Filing Date
IE809/70A IE34334B1 (en) 1969-06-27 1970-06-23 Fluoran compounds and pressure-sensitive copying paper

Country Status (7)

Country Link
US (1) US3669712A (en)
BE (1) BE752388A (en)
CA (1) CA918918A (en)
ES (1) ES381083A1 (en)
FR (1) FR2052855A5 (en)
GB (1) GB1264936A (en)
IE (1) IE34334B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033891B2 (en) * 1971-10-29 1975-11-04
JPS4934526A (en) * 1972-08-01 1974-03-30
JPS5138245B2 (en) * 1973-05-22 1976-10-20
US3929828A (en) * 1974-11-21 1975-12-30 Moore Business Forms Inc 3{40 -Amino-6{40 {0 or 7{40 -(pyrazol-1-yl)fluoran compounds

Also Published As

Publication number Publication date
ES381083A1 (en) 1972-11-01
FR2052855A5 (en) 1971-04-09
CA918918A (en) 1973-01-16
GB1264936A (en) 1972-02-23
DE2031488A1 (en) 1971-01-28
DE2031488B2 (en) 1976-04-29
IE34334L (en) 1970-12-27
US3669712A (en) 1972-06-13
BE752388A (en) 1970-12-01

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