Coloring compound and thermal transfer recording sheet
US10501631B2 · kind B2 · utility
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2References
2Claims
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Key dates
| Filing date | Feb 14, 2018 |
| Grant date | Dec 10, 2019 |
| Priority date | — |
| Expiry date | Feb 14, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M2205/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A thermal transfer recording sheet includes a base material and, on the base material, a yellow-dye layer containing a yellow dye, a magenta-dye layer containing a magenta dye, and a cyan-dye layer containing a cyan dye. The yellow dye and the cyan dye contain compounds having specific structures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.