JPS5136284B2 - - Google Patents
Info
- Publication number
- JPS5136284B2 JPS5136284B2 JP49097934A JP9793474A JPS5136284B2 JP S5136284 B2 JPS5136284 B2 JP S5136284B2 JP 49097934 A JP49097934 A JP 49097934A JP 9793474 A JP9793474 A JP 9793474A JP S5136284 B2 JPS5136284 B2 JP S5136284B2
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/90—Benzo [c] furans; Hydrogenated benzo [c] furans with an oxygen atom in position 1 and a nitrogen atom in position 3, or vice versa
-
- 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
-
- 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
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/323—Organic colour formers, e.g. leuco dyes
- B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49097934A JPS5125529A (en) | 1974-08-28 | 1974-08-28 | Futaridoshikiso no seizoho |
| DE19752537776 DE2537776A1 (de) | 1974-08-28 | 1975-08-25 | Phthalidverbindungen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49097934A JPS5125529A (en) | 1974-08-28 | 1974-08-28 | Futaridoshikiso no seizoho |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5125529A JPS5125529A (en) | 1976-03-02 |
| JPS5136284B2 true JPS5136284B2 (de) | 1976-10-07 |
Family
ID=14205489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49097934A Granted JPS5125529A (en) | 1974-08-28 | 1974-08-28 | Futaridoshikiso no seizoho |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5125529A (de) |
| DE (1) | DE2537776A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4187223A (en) * | 1976-12-29 | 1980-02-05 | Sterling Drug Inc. | 3-[4-(Disubstituted-amino)phenyl]-3-(diphenylamino)phthalides |
| GB1564559A (en) * | 1976-12-29 | 1980-04-10 | Sterling Drug Inc | 3(diphenylamino) phthalides |
| US4255577A (en) * | 1976-12-29 | 1981-03-10 | Sterling Drug Inc. | Process and intermediates for preparing 3-[4-(disubstituted-amino)phenyl] or |
| US4200313A (en) * | 1976-12-29 | 1980-04-29 | Sterling Drug Inc. | Carbonless duplicating systems |
| US4189171A (en) * | 1977-03-01 | 1980-02-19 | Sterling Drug Inc. | Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(heteryl)phthalides |
| EP0003726B1 (de) * | 1978-02-10 | 1982-01-20 | Ciba-Geigy Ag | Substituierte Diaminophthalide, Verfahren zu ihrer Herstellung und ihre Verwendung als Farbbildner in druckempfindlichen oder wärmeempfindlichen Aufzeichnungsmaterialien |
| US4337340A (en) | 1979-06-14 | 1982-06-29 | Sterling Drug Inc. | Processes for preparing substituted furopyridinones and furopyrazinones |
-
1974
- 1974-08-28 JP JP49097934A patent/JPS5125529A/ja active Granted
-
1975
- 1975-08-25 DE DE19752537776 patent/DE2537776A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5125529A (en) | 1976-03-02 |
| DE2537776A1 (de) | 1976-03-11 |