GB1416778A - Lactone colour-formers for pressure-sensitive recording material - Google Patents

Lactone colour-formers for pressure-sensitive recording material

Info

Publication number
GB1416778A
GB1416778A GB5176573A GB5176573A GB1416778A GB 1416778 A GB1416778 A GB 1416778A GB 5176573 A GB5176573 A GB 5176573A GB 5176573 A GB5176573 A GB 5176573A GB 1416778 A GB1416778 A GB 1416778A
Authority
GB
United Kingdom
Prior art keywords
alkyl
hydrogen
formers
colour
recording material
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
GB5176573A
Other languages
English (en)
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
Hodogaya Chemical Co Ltd
Original Assignee
Hodogaya Chemical Co Ltd
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 Hodogaya Chemical Co Ltd, Fuji Photo Film Co Ltd filed Critical Hodogaya Chemical Co Ltd
Publication of GB1416778A publication Critical patent/GB1416778A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-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
    • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
GB5176573A 1972-11-08 1973-11-07 Lactone colour-formers for pressure-sensitive recording material Expired GB1416778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47111184A JPS4968818A (de) 1972-11-08 1972-11-08

Publications (1)

Publication Number Publication Date
GB1416778A true GB1416778A (en) 1975-12-10

Family

ID=14554611

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5176573A Expired GB1416778A (en) 1972-11-08 1973-11-07 Lactone colour-formers for pressure-sensitive recording material

Country Status (4)

Country Link
JP (1) JPS4968818A (de)
BE (1) BE807076A (de)
DE (1) DE2355742A1 (de)
GB (1) GB1416778A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141729A (en) * 1983-05-09 1985-01-03 Ciba Geigy Ag Chromogenic 3,3-bisindolyl-4-azaphthalides
US4523018A (en) * 1981-11-10 1985-06-11 Yamamoto Kagaku Gosei Co., Ltd. Certain bis(benzoyl)pyridine compounds
GB2169610A (en) * 1985-01-15 1986-07-16 Ciba Geigy Ag Chromogenic 4-azaphthalides substituted on the pyridine ring

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0266310B1 (de) * 1986-10-28 2001-12-05 Ciba SC Holding AG Chromogene Phthalide

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523018A (en) * 1981-11-10 1985-06-11 Yamamoto Kagaku Gosei Co., Ltd. Certain bis(benzoyl)pyridine compounds
GB2141729A (en) * 1983-05-09 1985-01-03 Ciba Geigy Ag Chromogenic 3,3-bisindolyl-4-azaphthalides
US4587343A (en) * 1983-05-09 1986-05-06 Ciba-Geigy Corporation Chromogenic 3,3-bisindolyl-4-azaphthalides
GB2169610A (en) * 1985-01-15 1986-07-16 Ciba Geigy Ag Chromogenic 4-azaphthalides substituted on the pyridine ring
GB2169610B (en) * 1985-01-15 1989-06-07 Ciba Geigy Ag Ring substituted 4-azaphthalides

Also Published As

Publication number Publication date
DE2355742A1 (de) 1974-05-22
JPS4968818A (de) 1974-07-03
BE807076A (fr) 1974-03-01

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee