HK73384A - Preparation of chromogenic pyridine compounds - Google Patents
Preparation of chromogenic pyridine compoundsInfo
- Publication number
- HK73384A HK73384A HK73384A HK73384A HK73384A HK 73384 A HK73384 A HK 73384A HK 73384 A HK73384 A HK 73384A HK 73384 A HK73384 A HK 73384A HK 73384 A HK73384 A HK 73384A
- Authority
- HK
- Hong Kong
- Prior art keywords
- chromogenic
- preparation
- pyridine compounds
- pyridine
- compounds
- Prior art date
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83786777A | 1977-09-29 | 1977-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK73384A true HK73384A (en) | 1984-10-05 |
Family
ID=25275658
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK73884A HK73884A (en) | 1977-09-29 | 1984-09-27 | Chromogenic pyridine compounds |
| HK73384A HK73384A (en) | 1977-09-29 | 1984-09-27 | Preparation of chromogenic pyridine compounds |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK73884A HK73884A (en) | 1977-09-29 | 1984-09-27 | 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)
| 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)
| 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 |
-
1978
- 1978-01-09 CA CA294,539A patent/CA1110244A/en not_active Expired
- 1978-09-04 JP JP10769978A patent/JPS5452095A/en active Pending
- 1978-09-25 GB GB7837972A patent/GB2006248B/en not_active Expired
- 1978-09-25 GB GB7942732A patent/GB2031934B/en not_active Expired
- 1978-09-25 FR FR7827427A patent/FR2408609A1/en active Granted
- 1978-09-27 CH CH1006178A patent/CH637134A5/en not_active IP Right Cessation
- 1978-09-27 CH CH608282A patent/CH649555A5/en not_active IP Right Cessation
- 1978-09-28 DE DE19782842263 patent/DE2842263A1/en active Granted
-
1984
- 1984-09-27 HK HK73884A patent/HK73884A/en unknown
- 1984-09-27 HK HK73384A patent/HK73384A/en unknown
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 |
| GB2006248B (en) | 1982-04-28 |
| 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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