GB2031934B - Chromogenic pyridine compounds - Google Patents

Chromogenic pyridine compounds

Info

Publication number
GB2031934B
GB2031934B GB7942732A GB7942732A GB2031934B GB 2031934 B GB2031934 B GB 2031934B GB 7942732 A GB7942732 A GB 7942732A GB 7942732 A GB7942732 A GB 7942732A GB 2031934 B GB2031934 B GB 2031934B
Authority
GB
United Kingdom
Prior art keywords
chromogenic
pyridine compounds
pyridine
compounds
chromogenic pyridine
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
GB7942732A
Other languages
English (en)
Other versions
GB2031934A (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.)
Appvion LLC
Original Assignee
Appleton Papers Inc
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 Appleton Papers Inc filed Critical Appleton Papers Inc
Publication of GB2031934A publication Critical patent/GB2031934A/en
Application granted granted Critical
Publication of GB2031934B publication Critical patent/GB2031934B/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
    • 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
    • C09B11/26—Triarylmethane dyes in which at least one of the aromatic nuclei is heterocyclic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Color Printing (AREA)
GB7942732A 1977-09-29 1978-09-25 Chromogenic pyridine compounds Expired GB2031934B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83786777A 1977-09-29 1977-09-29

Publications (2)

Publication Number Publication Date
GB2031934A GB2031934A (en) 1980-04-30
GB2031934B true GB2031934B (en) 1982-11-10

Family

ID=25275658

Family Applications (2)

Application Number Title Priority Date Filing Date
GB7942732A Expired GB2031934B (en) 1977-09-29 1978-09-25 Chromogenic pyridine compounds
GB7837972A Expired GB2006248B (en) 1977-09-29 1978-09-25 Preparation of chromogenic pyridine compounds

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB7837972A Expired GB2006248B (en) 1977-09-29 1978-09-25 Preparation of chromogenic pyridine compounds

Country Status (7)

Country Link
JP (1) JPS5452095A (enrdf_load_stackoverflow)
CA (1) CA1110244A (enrdf_load_stackoverflow)
CH (2) CH637134A5 (enrdf_load_stackoverflow)
DE (1) DE2842263A1 (enrdf_load_stackoverflow)
FR (1) FR2408609A1 (enrdf_load_stackoverflow)
GB (2) GB2031934B (enrdf_load_stackoverflow)
HK (2) HK73884A (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275905A (en) * 1978-12-29 1981-06-30 Appleton Papers Inc. Pressure-sensitive record material
DK536979A (da) * 1978-12-29 1980-06-30 Appleton Paper Inc Chromogent materiale og fremgangsmaade til fremstilling deraf
GR73674B (enrdf_load_stackoverflow) * 1978-12-29 1984-03-29 Appleton Paper Inc
US4246318A (en) * 1979-04-09 1981-01-20 Appleton Papers Inc. Thermally-responsive record material
JPS56151597A (en) * 1980-04-28 1981-11-24 Yamamoto Kagaku Gosei Kk Recording material
US4508897A (en) * 1981-12-23 1985-04-02 Ciba Geigy Corporation Preparation of chromogenic azaphthalides
CH652733A5 (de) * 1983-04-07 1985-11-29 Ciba Geigy Ag Verfahren zur herstellung von 4-azaphthalidverbindungen.
US4668790A (en) * 1981-12-23 1987-05-26 Ciba-Geigy Corporation Chromogenic dihydrofuropyridinones
CH653353A5 (de) * 1983-05-09 1985-12-31 Ciba Geigy Ag Chromogene 3,3-bisindolyl-4-azaphthalide.
EP0140833B1 (de) * 1983-09-15 1988-03-02 Ciba-Geigy Ag 5-und 6-Azaphthalide, ihre Isomerengemische, Verfahren zu ihrer Herstellung und ihre Verwendung in druck- und wärmeempfindlichen Aufzeichnungsmaterialien
JPS6085986A (ja) * 1983-10-18 1985-05-15 Yamada Kagaku Kogyo Kk 発色性記録材料
CH664578A5 (de) * 1985-01-15 1988-03-15 Ciba Geigy Ag Ringsubstituierte 4-azaphthalide.
CN100369918C (zh) * 2005-09-30 2008-02-20 中国乐凯胶片集团公司 一种含吲哚杂环吡啶并二氢呋喃酮化合物的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791898A (fr) * 1971-11-26 1973-05-24 Ciba Geigy Ag Procede de preparation de substances chromogenes a partir d'indoles et d'anhydrides d'acides dicarboxyliques vicinaux, aromatiques ou heteroaromatiques, nouveaux chromogenes de cette categorie et leur emploi
BE791793A (fr) * 1971-12-06 1973-03-16 Ncr Co Composes chromogenes
JPS503426A (enrdf_load_stackoverflow) * 1973-05-16 1975-01-14
DE2429871C3 (de) * 1974-06-21 1981-05-14 CMB Colonia Management- und Beratungsgesellschaft mbH & Co KG, 5000 Köln Verfahren zum Erzeugen von elektrischen Klangsignalen entsprechend Klängen bestimmter Klanghöhe jedoch unterschiedlicher Lautstärkewerte

Also Published As

Publication number Publication date
GB2006248B (en) 1982-04-28
CH637134A5 (fr) 1983-07-15
HK73384A (en) 1984-10-05
GB2006248A (en) 1979-05-02
HK73884A (en) 1984-10-05
CA1110244A (en) 1981-10-06
DE2842263A1 (de) 1979-04-05
DE2842263C2 (enrdf_load_stackoverflow) 1989-02-16
GB2031934A (en) 1980-04-30
CH649555A5 (fr) 1985-05-31
JPS5452095A (en) 1979-04-24
FR2408609B1 (enrdf_load_stackoverflow) 1983-01-28
FR2408609A1 (fr) 1979-06-08

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee