BE717491A - - Google Patents
Info
- Publication number
- BE717491A BE717491A BE717491DA BE717491A BE 717491 A BE717491 A BE 717491A BE 717491D A BE717491D A BE 717491DA BE 717491 A BE717491 A BE 717491A
- Authority
- BE
- Belgium
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
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)
- Thermal Transfer Or Thermal Recording In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65063467A | 1967-07-03 | 1967-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE717491A true BE717491A (en:Method) | 1968-12-16 |
Family
ID=24609688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE717491D BE717491A (en:Method) | 1967-07-03 | 1968-07-02 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3515568A (en:Method) |
| BE (1) | BE717491A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7022441B2 (en) * | 2004-02-25 | 2006-04-04 | Eastman Kodak Company | Silver-free black-and-white thermographic materials containing a benzoquinone and methods of imaging |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL226920A (en:Method) * | 1957-04-23 | |||
| US2899334A (en) * | 1958-05-19 | 1959-08-11 | Heat-sensitive layer | |
| US3414423A (en) * | 1965-11-04 | 1968-12-03 | Eastman Kodak Co | Process for erasing and regenerating thermographic materials |
-
1967
- 1967-07-03 US US650634A patent/US3515568A/en not_active Expired - Lifetime
-
1968
- 1968-07-02 BE BE717491D patent/BE717491A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3515568A (en) | 1970-06-02 |