JPS4914213A - - Google Patents
Info
- Publication number
- JPS4914213A JPS4914213A JP48030470A JP3047073A JPS4914213A JP S4914213 A JPS4914213 A JP S4914213A JP 48030470 A JP48030470 A JP 48030470A JP 3047073 A JP3047073 A JP 3047073A JP S4914213 A JPS4914213 A JP S4914213A
- 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.)
- Granted
Links
Classifications
-
- 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
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Color Printing (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00237000A US3804855A (en) | 1972-03-22 | 1972-03-22 | Naphthalide compounds |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4914213A true JPS4914213A (ru) | 1974-02-07 |
| JPS5619275B2 JPS5619275B2 (ru) | 1981-05-06 |
Family
ID=22891915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3047073A Expired JPS5619275B2 (ru) | 1972-03-22 | 1973-03-15 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3804855A (ru) |
| JP (1) | JPS5619275B2 (ru) |
| CA (1) | CA1003420A (ru) |
| DE (1) | DE2313679C2 (ru) |
| GB (1) | GB1368938A (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4335263A (en) * | 1979-12-21 | 1982-06-15 | Sumitomo Chemical Company, Limited | Process for preparing aromatic aldehydes |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3954799A (en) * | 1971-01-21 | 1976-05-04 | Polaroid Corporation | Protonated indole phthalides and naphthalides |
| US3862128A (en) * | 1971-12-02 | 1975-01-21 | Polaroid Corp | Naphthalide indicator dyes |
| GB1467898A (en) * | 1974-04-09 | 1977-03-23 | Ciba Geigy Ag | Heterocyclic substituted lactone compounds their manufacture and use |
| US4020056A (en) * | 1975-04-10 | 1977-04-26 | Ncr Corporation | Di-vinyl phthalides color formers |
| US4022771A (en) * | 1975-04-10 | 1977-05-10 | Ncr Corporation | Aminophenyl lactone compounds containing an ethyleno group |
| US4189171A (en) * | 1977-03-01 | 1980-02-19 | Sterling Drug Inc. | Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(heteryl)phthalides |
| JPS60195083U (ja) * | 1984-06-07 | 1985-12-26 | 株式会社 ソフイア | パチンコ遊技機の打球制御装置 |
| WO2001087714A2 (en) * | 2000-05-18 | 2001-11-22 | Spectra Systems Corporation | Visual indicator for verification of an object |
-
1972
- 1972-03-22 US US00237000A patent/US3804855A/en not_active Expired - Lifetime
-
1973
- 1973-01-29 CA CA162,246A patent/CA1003420A/en not_active Expired
- 1973-03-12 GB GB1175673A patent/GB1368938A/en not_active Expired
- 1973-03-15 JP JP3047073A patent/JPS5619275B2/ja not_active Expired
- 1973-03-20 DE DE2313679A patent/DE2313679C2/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4335263A (en) * | 1979-12-21 | 1982-06-15 | Sumitomo Chemical Company, Limited | Process for preparing aromatic aldehydes |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2313679C2 (de) | 1982-06-03 |
| JPS5619275B2 (ru) | 1981-05-06 |
| CA1003420A (en) | 1977-01-11 |
| GB1368938A (en) | 1974-10-02 |
| DE2313679A1 (de) | 1973-10-04 |
| US3804855A (en) | 1974-04-16 |