GB1297596A - - Google Patents

Info

Publication number
GB1297596A
GB1297596A GB1297596DA GB1297596A GB 1297596 A GB1297596 A GB 1297596A GB 1297596D A GB1297596D A GB 1297596DA GB 1297596 A GB1297596 A GB 1297596A
Authority
GB
United Kingdom
Prior art keywords
compounds
represent hydrogen
formula
independently represent
halogen
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
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 GB1297596A publication Critical patent/GB1297596A/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
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1297596D 1970-03-24 1971-04-19 Expired GB1297596A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45024074A JPS4934044B1 (cs) 1970-03-24 1970-03-24

Publications (1)

Publication Number Publication Date
GB1297596A true GB1297596A (cs) 1972-11-22

Family

ID=12128262

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297596D Expired GB1297596A (cs) 1970-03-24 1971-04-19

Country Status (3)

Country Link
JP (1) JPS4934044B1 (cs)
DE (1) DE2113995C3 (cs)
GB (1) GB1297596A (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4226912A (en) * 1978-02-15 1980-10-07 Kanzaki Paper Manufacturing Co., Ltd. Heat-sensitive recording material
US4274660A (en) * 1979-05-14 1981-06-23 Sterling Drug Inc. Carbonless duplicating and marking systems
US4341403A (en) * 1979-04-24 1982-07-27 Fuji Photo Film Co., Ltd. Fluoran compounds, process for preparation thereof, and recording sheets using same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5122415B2 (cs) * 1972-01-22 1976-07-09

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4226912A (en) * 1978-02-15 1980-10-07 Kanzaki Paper Manufacturing Co., Ltd. Heat-sensitive recording material
US4341403A (en) * 1979-04-24 1982-07-27 Fuji Photo Film Co., Ltd. Fluoran compounds, process for preparation thereof, and recording sheets using same
US4274660A (en) * 1979-05-14 1981-06-23 Sterling Drug Inc. Carbonless duplicating and marking systems

Also Published As

Publication number Publication date
DE2113995A1 (de) 1971-10-07
DE2113995B2 (de) 1973-09-13
JPS4934044B1 (cs) 1974-09-11
DE2113995C3 (de) 1980-05-08

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Legal Events

Date Code Title Description
PS Patent sealed
429A Application made for amendment of specification (sect. 29/1949)
PLE Entries relating assignments, transmissions, licences in the register of patents
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
48R Reference inserted (sect. 8/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
PCNP Patent ceased through non-payment of renewal fee