Thermal transfer ink sheet, ink cartridge, coating composition for dye layer of thermal transfer ink sheet, and thermal transfer recording method
US8114813B2 · kind B2 · utility
2Cited by
1References
6Claims
0Family size
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Key dates
| Filing date | Mar 27, 2008 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Dec 13, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/07
- WIPO fieldMacromolecular chemistry, polymers
- 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 one of R1 and R2 is a branched hydrocarbon group and the other is a hydrogen atom or a hydrocarbon group, or R1 and R2 are groups that bond to each other to form a cyclic hydrocarbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.