FI136774A - - Google Patents
Info
- Publication number
- FI136774A FI136774A FI1367/74A FI136774A FI136774A FI 136774 A FI136774 A FI 136774A FI 1367/74 A FI1367/74 A FI 1367/74A FI 136774 A FI136774 A FI 136774A FI 136774 A FI136774 A FI 136774A
- Authority
- FI
- Finland
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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2407873A GB1464251A (en) | 1973-05-21 | 1973-05-21 | Thermo-reactive colour recording material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI136774A true FI136774A (en) | 1974-11-22 |
Family
ID=10206019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI1367/74A FI136774A (en) | 1973-05-21 | 1974-05-06 |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5021738A (en) |
| AT (1) | AT331823B (en) |
| BE (1) | BE815292A (en) |
| BR (1) | BR7404109D0 (en) |
| CH (1) | CH590133A5 (en) |
| DE (1) | DE2423535A1 (en) |
| FI (1) | FI136774A (en) |
| FR (1) | FR2288003A1 (en) |
| GB (1) | GB1464251A (en) |
| ZA (1) | ZA743198B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5386229A (en) * | 1977-01-07 | 1978-07-29 | Kanzaki Paper Mfg Co Ltd | Thermosensitive recording body |
| US4189171A (en) * | 1977-03-01 | 1980-02-19 | Sterling Drug Inc. | Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(heteryl)phthalides |
| GB2194070B (en) * | 1986-07-09 | 1990-01-10 | Fuji Photo Film Co Ltd | Sheet recording material containing dye-forming components |
| GB2195781B (en) * | 1986-07-28 | 1989-12-20 | Fuji Photo Film Co Ltd | Sheet recording material containing dye-forming components |
| JP2504807B2 (en) * | 1988-06-29 | 1996-06-05 | 新王子製紙株式会社 | Thermal recording |
| JP4575789B2 (en) * | 2005-01-17 | 2010-11-04 | パイロットインキ株式会社 | Reversible thermochromic microcapsule pigment encapsulating a reversible thermochromic composition |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3509173A (en) * | 1967-01-30 | 1970-04-28 | Ncr Co | 3,3-bis-(indol-3-yl) phthalides |
| IE35853B1 (en) * | 1970-05-15 | 1976-06-09 | Hodogaya Chemical Co Ltd | Novel phthalide compounds and their use as colour formers in pressure sensitive recording |
| JPS4916726B1 (en) * | 1970-12-28 | 1974-04-24 |
-
1973
- 1973-05-21 GB GB2407873A patent/GB1464251A/en not_active Expired
-
1974
- 1974-05-06 FI FI1367/74A patent/FI136774A/fi unknown
- 1974-05-15 DE DE2423535A patent/DE2423535A1/en not_active Withdrawn
- 1974-05-17 FR FR7417265A patent/FR2288003A1/en active Granted
- 1974-05-17 CH CH678974A patent/CH590133A5/xx not_active IP Right Cessation
- 1974-05-20 ZA ZA00743198A patent/ZA743198B/en unknown
- 1974-05-20 BR BR4109/74A patent/BR7404109D0/en unknown
- 1974-05-20 BE BE144538A patent/BE815292A/en unknown
- 1974-05-20 AT AT416674A patent/AT331823B/en not_active IP Right Cessation
- 1974-05-21 JP JP49056210A patent/JPS5021738A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH590133A5 (en) | 1977-07-29 |
| ATA416674A (en) | 1975-12-15 |
| FR2288003A1 (en) | 1976-05-14 |
| AT331823B (en) | 1976-08-25 |
| BE815292A (en) | 1974-11-20 |
| BR7404109D0 (en) | 1975-09-30 |
| FR2288003B1 (en) | 1979-04-20 |
| DE2423535A1 (en) | 1974-12-12 |
| ZA743198B (en) | 1975-05-28 |
| GB1464251A (en) | 1977-02-09 |
| JPS5021738A (en) | 1975-03-07 |