BE807076A - Composes de lactones derivant d'un acide pyridine-carboxylique et papier - Google Patents

Composes de lactones derivant d'un acide pyridine-carboxylique et papier

Info

Publication number
BE807076A
BE807076A BE137542A BE137542A BE807076A BE 807076 A BE807076 A BE 807076A BE 137542 A BE137542 A BE 137542A BE 137542 A BE137542 A BE 137542A BE 807076 A BE807076 A BE 807076A
Authority
BE
Belgium
Prior art keywords
lacton
paper
carboxylic acid
compounds derived
pyridine carboxylic
Prior art date
Application number
BE137542A
Other languages
English (en)
French (fr)
Inventor
M Ozutsumi
Y Miyazawa
S Ogawa
S Ishige
A Watanabe
K Saeki
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 BE807076A publication Critical patent/BE807076A/xx

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)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
BE137542A 1972-11-08 1973-11-08 Composes de lactones derivant d'un acide pyridine-carboxylique et papier BE807076A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE807076A true BE807076A (fr) 1974-03-01

Family

ID=14554611

Family Applications (1)

Application Number Title Priority Date Filing Date
BE137542A BE807076A (fr) 1972-11-08 1973-11-08 Composes de lactones derivant d'un acide pyridine-carboxylique et papier

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5883673A (ja) * 1981-11-10 1983-05-19 Yamamoto Kagaku Gosei Kk 発色性ジケトピリジン化合物
CH653353A5 (de) * 1983-05-09 1985-12-31 Ciba Geigy Ag Chromogene 3,3-bisindolyl-4-azaphthalide.
CH664578A5 (de) * 1985-01-15 1988-03-15 Ciba Geigy Ag Ringsubstituierte 4-azaphthalide.
ES2167303T3 (es) * 1986-10-28 2002-05-16 Ciba Sc Holding Ag Ftalidas cromogenas.

Also Published As

Publication number Publication date
JPS4968818A (enrdf_load_stackoverflow) 1974-07-03
DE2355742A1 (de) 1974-05-22
GB1416778A (en) 1975-12-10

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