GB2006248B - Preparation of chromogenic pyridine compounds - Google Patents

Preparation of chromogenic pyridine compounds

Info

Publication number
GB2006248B
GB2006248B GB7837972A GB7837972A GB2006248B GB 2006248 B GB2006248 B GB 2006248B GB 7837972 A GB7837972 A GB 7837972A GB 7837972 A GB7837972 A GB 7837972A GB 2006248 B GB2006248 B GB 2006248B
Authority
GB
United Kingdom
Prior art keywords
chromogenic
preparation
pyridine compounds
pyridine
compounds
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
GB7837972A
Other versions
GB2006248A (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 Operations Inc
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 GB2006248A publication Critical patent/GB2006248A/en
Application granted granted Critical
Publication of GB2006248B publication Critical patent/GB2006248B/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
GB7837972A 1977-09-29 1978-09-25 Preparation of chromogenic pyridine compounds Expired GB2006248B (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
GB2006248A GB2006248A (en) 1979-05-02
GB2006248B true GB2006248B (en) 1982-04-28

Family

ID=25275658

Family Applications (2)

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

Family Applications After (1)

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

Country Status (7)

Country Link
JP (1) JPS5452095A (en)
CA (1) CA1110244A (en)
CH (2) CH637134A5 (en)
DE (1) DE2842263A1 (en)
FR (1) FR2408609A1 (en)
GB (2) GB2006248B (en)
HK (2) HK73884A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR73674B (en) * 1978-12-29 1984-03-29 Appleton Paper Inc
DK536979A (en) * 1978-12-29 1980-06-30 Appleton Paper Inc CHROMOGENT MATERIALS AND PROCEDURES FOR PRODUCING THEREOF
US4275905A (en) * 1978-12-29 1981-06-30 Appleton Papers Inc. Pressure-sensitive record material
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
US4668790A (en) * 1981-12-23 1987-05-26 Ciba-Geigy Corporation Chromogenic dihydrofuropyridinones
CH652733A5 (en) * 1983-04-07 1985-11-29 Ciba Geigy Ag METHOD FOR PRODUCING 4-AZAPHTHALIDE COMPOUNDS.
CH653353A5 (en) * 1983-05-09 1985-12-31 Ciba Geigy Ag CHROMOGENIC 3,3-BISINDOLYL-4-AZAPHTHALIDE.
EP0140833B1 (en) * 1983-09-15 1988-03-02 Ciba-Geigy Ag 5- and 6-azaphthalides, their mixture of isomers, process for their production and their use in recording materials which are sensitive to pressure and heat
JPS6085986A (en) * 1983-10-18 1985-05-15 Yamada Kagaku Kogyo Kk Color forming recording material
CH664578A5 (en) * 1985-01-15 1988-03-15 Ciba Geigy Ag RING SUBSTITUTED 4-AZAPHTHALID.
CN100369918C (en) * 2005-09-30 2008-02-20 中国乐凯胶片集团公司 Preparation method of indole-containing heterocycle pyridinedihydrofuranketone

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791898A (en) * 1971-11-26 1973-05-24 Ciba Geigy Ag PROCESS FOR THE PREPARATION OF CHROMOGENOUS SUBSTANCES FROM INDOLES AND ANHYDRIDES OF VICINAL, AROMATIC OR HETEROAROMATIC DICARBOXYLIC ACIDS, NEW CHROMOGENES OF THIS CATEGORY AND THEIR USE
BE791793A (en) * 1971-12-06 1973-03-16 Ncr Co CHROMOGENIC COMPOUNDS
JPS503426A (en) * 1973-05-16 1975-01-14
DE2429871C3 (en) * 1974-06-21 1981-05-14 CMB Colonia Management- und Beratungsgesellschaft mbH & Co KG, 5000 Köln Method for generating electrical sound signals corresponding to sounds of a certain pitch but of different volume values

Also Published As

Publication number Publication date
CH649555A5 (en) 1985-05-31
FR2408609B1 (en) 1983-01-28
CA1110244A (en) 1981-10-06
DE2842263A1 (en) 1979-04-05
HK73384A (en) 1984-10-05
GB2006248A (en) 1979-05-02
JPS5452095A (en) 1979-04-24
GB2031934A (en) 1980-04-30
DE2842263C2 (en) 1989-02-16
FR2408609A1 (en) 1979-06-08
HK73884A (en) 1984-10-05
GB2031934B (en) 1982-11-10
CH637134A5 (en) 1983-07-15

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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
PCPE Delete 'patent ceased' from journal

Free format text: 5176,PAGE 1305

PCNP Patent ceased through non-payment of renewal fee