Method and apparatus for correctably printing characters with sublimable ink
US4188139A · kind A · utility
16Cited by
16References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1977 |
| Grant date | Feb 12, 1980 |
| Priority date | — |
| Expiry date | May 6, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/037
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A correctable print is obtained by using an easily sublimable ink. Said print is completely erased when heated at a temperature insufficient to cause the darkening of the paper, by means of a hot point, of hot air, or of radiant energy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.