FR2408609B1 - - Google Patents
Info
- Publication number
- FR2408609B1 FR2408609B1 FR7827427A FR7827427A FR2408609B1 FR 2408609 B1 FR2408609 B1 FR 2408609B1 FR 7827427 A FR7827427 A FR 7827427A FR 7827427 A FR7827427 A FR 7827427A FR 2408609 B1 FR2408609 B1 FR 2408609B1
- Authority
- FR
- France
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83786777A | 1977-09-29 | 1977-09-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2408609A1 FR2408609A1 (fr) | 1979-06-08 |
FR2408609B1 true FR2408609B1 (enrdf_load_stackoverflow) | 1983-01-28 |
Family
ID=25275658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7827427A Granted FR2408609A1 (fr) | 1977-09-29 | 1978-09-25 | Procede de production d'une (indolyl)-(dialkylaminophenyl)-5,7-dihydrofuro-(3,4-b)-pyridine-5- ou -7-one |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5452095A (enrdf_load_stackoverflow) |
CA (1) | CA1110244A (enrdf_load_stackoverflow) |
CH (2) | CH649555A5 (enrdf_load_stackoverflow) |
DE (1) | DE2842263A1 (enrdf_load_stackoverflow) |
FR (1) | FR2408609A1 (enrdf_load_stackoverflow) |
GB (2) | GB2006248B (enrdf_load_stackoverflow) |
HK (2) | HK73884A (enrdf_load_stackoverflow) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GR73674B (enrdf_load_stackoverflow) * | 1978-12-29 | 1984-03-29 | Appleton Paper Inc | |
DK536979A (da) * | 1978-12-29 | 1980-06-30 | Appleton Paper Inc | Chromogent materiale og fremgangsmaade til fremstilling deraf |
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 |
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. |
DE3469531D1 (en) * | 1983-09-15 | 1988-04-07 | 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 (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)
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 |
-
1978
- 1978-01-09 CA CA294,539A patent/CA1110244A/en not_active Expired
- 1978-09-04 JP JP10769978A patent/JPS5452095A/ja active Pending
- 1978-09-25 GB GB7837972A patent/GB2006248B/en not_active Expired
- 1978-09-25 FR FR7827427A patent/FR2408609A1/fr active Granted
- 1978-09-25 GB GB7942732A patent/GB2031934B/en not_active Expired
- 1978-09-27 CH CH608282A patent/CH649555A5/fr not_active IP Right Cessation
- 1978-09-27 CH CH1006178A patent/CH637134A5/fr not_active IP Right Cessation
- 1978-09-28 DE DE19782842263 patent/DE2842263A1/de active Granted
-
1984
- 1984-09-27 HK HK73884A patent/HK73884A/xx unknown
- 1984-09-27 HK HK73384A patent/HK73384A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
HK73384A (en) | 1984-10-05 |
CH637134A5 (fr) | 1983-07-15 |
FR2408609A1 (fr) | 1979-06-08 |
JPS5452095A (en) | 1979-04-24 |
GB2031934A (en) | 1980-04-30 |
HK73884A (en) | 1984-10-05 |
DE2842263A1 (de) | 1979-04-05 |
GB2031934B (en) | 1982-11-10 |
CH649555A5 (fr) | 1985-05-31 |
GB2006248A (en) | 1979-05-02 |
GB2006248B (en) | 1982-04-28 |
DE2842263C2 (enrdf_load_stackoverflow) | 1989-02-16 |
CA1110244A (en) | 1981-10-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EM | Correction of a material error concerning inscription in the national patent register | ||
TP | Transmission of property | ||
ST | Notification of lapse |