JPS4968818A - - Google Patents
Info
- Publication number
- JPS4968818A JPS4968818A JP47111184A JP11118472A JPS4968818A JP S4968818 A JPS4968818 A JP S4968818A JP 47111184 A JP47111184 A JP 47111184A JP 11118472 A JP11118472 A JP 11118472A JP S4968818 A JPS4968818 A JP S4968818A
- Authority
- JP
- Japan
- 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.)
- Pending
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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47111184A JPS4968818A (en) | 1972-11-08 | 1972-11-08 | |
| GB5176573A GB1416778A (en) | 1972-11-08 | 1973-11-07 | Lactone colour-formers for pressure-sensitive recording material |
| DE19732355742 DE2355742A1 (en) | 1972-11-08 | 1973-11-08 | LACTONE COMPOUNDS OF PYRIDINCARBONIC ACID AND PRESSURE-SENSITIVE COPY PAPERS CONTAINING THEM |
| BE137542A BE807076A (en) | 1972-11-08 | 1973-11-08 | LACTON COMPOUNDS DERIVED FROM PYRIDINE CARBOXYLIC ACID AND PAPER |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47111184A JPS4968818A (en) | 1972-11-08 | 1972-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4968818A true JPS4968818A (en) | 1974-07-03 |
Family
ID=14554611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47111184A Pending JPS4968818A (en) | 1972-11-08 | 1972-11-08 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4968818A (en) |
| BE (1) | BE807076A (en) |
| DE (1) | DE2355742A1 (en) |
| GB (1) | GB1416778A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59206385A (en) * | 1983-05-09 | 1984-11-22 | チバ−ガイギ・アクチエンゲゼルシヤフト | Chromogen 3,3-bisindolyl-4-azaphthalide |
| JPS61168664A (en) * | 1985-01-15 | 1986-07-30 | チバ‐ガイギ アクチエンゲゼルシヤフト | Ring substituted 4-azaphthalide |
| JPS63122760A (en) * | 1986-10-28 | 1988-05-26 | チバ−ガイギ アクチエンゲゼルシヤフト | Chromogen phthalide and aza-phthalide |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5883673A (en) * | 1981-11-10 | 1983-05-19 | Yamamoto Kagaku Gosei Kk | Color developing diketopyridine compound |
-
1972
- 1972-11-08 JP JP47111184A patent/JPS4968818A/ja active Pending
-
1973
- 1973-11-07 GB GB5176573A patent/GB1416778A/en not_active Expired
- 1973-11-08 BE BE137542A patent/BE807076A/en unknown
- 1973-11-08 DE DE19732355742 patent/DE2355742A1/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59206385A (en) * | 1983-05-09 | 1984-11-22 | チバ−ガイギ・アクチエンゲゼルシヤフト | Chromogen 3,3-bisindolyl-4-azaphthalide |
| JPS61168664A (en) * | 1985-01-15 | 1986-07-30 | チバ‐ガイギ アクチエンゲゼルシヤフト | Ring substituted 4-azaphthalide |
| JPS63122760A (en) * | 1986-10-28 | 1988-05-26 | チバ−ガイギ アクチエンゲゼルシヤフト | Chromogen phthalide and aza-phthalide |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2355742A1 (en) | 1974-05-22 |
| GB1416778A (en) | 1975-12-10 |
| BE807076A (en) | 1974-03-01 |