Thermal transfer ink sheet, ink cartridge, coating composition for dye layer of thermal transfer ink sheet, and thermal transfer recording method
US8105978B2 · kind B2 · utility
2Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2008 |
| Grant date | Jan 31, 2012 |
| Priority date | — |
| Expiry date | Oct 6, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D129/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A thermal transfer ink sheet comprising, as formed on a support, a dye layer containing a thermal transferable dye in a resin binder, wherein the dye layer contains a polyvinyl acetal modified with at least one compound of the following formula [1]:wherein R1 is a substituted linear alkyl group, a substituted branched alkyl group, or a substituted or unsubstituted cyclic group, and R2 is a hydrogen atom, a substituted or unsubstituted linear alkyl group, a substituted or unsubstituted branched alkyl group, or a substituted or unsubstituted cyclic group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.