GB1264936A - - Google Patents

Info

Publication number
GB1264936A
GB1264936A GB1264936DA GB1264936A GB 1264936 A GB1264936 A GB 1264936A GB 1264936D A GB1264936D A GB 1264936DA GB 1264936 A GB1264936 A GB 1264936A
Authority
GB
United Kingdom
Prior art keywords
june
copying paper
heading
admixture
acyl
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
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 GB1264936A publication Critical patent/GB1264936A/en
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Color Printing (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

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.
GB1264936D 1969-06-27 1970-06-22 Expired GB1264936A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1264936A true GB1264936A (en) 1972-02-23

Family

ID=12869356

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1264936D Expired GB1264936A (en) 1969-06-27 1970-06-22

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
IE34334B1 (en) 1975-04-16
US3669712A (en) 1972-06-13
IE34334L (en) 1970-12-27
BE752388A (en) 1970-12-01
DE2031488A1 (en) 1971-01-28
FR2052855A5 (en) 1971-04-09
DE2031488B2 (en) 1976-04-29
ES381083A1 (en) 1972-11-01
CA918918A (en) 1973-01-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years