Thermal transfer sheets
US9956802B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 29, 2016 |
| Grant date | May 1, 2018 |
| Priority date | — |
| Expiry date | Dec 29, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M2205/40
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The thermal transfer sheet according to the present invention that has in the order mentioned, a substrate, a release layer, a colored layer, and an adhesion layer; and is characterized in that the colored layer contains a colorant and a polyester-based resin; the adhesion layer contains a polyester-based resin; a ratio of the thickness of the release layer to the total thickness of the colored layer and the adhesion layer (the thickness of the release layer/(the thickness of the colored layer+the thickness of the adhesion layer)) is not less than 2/3 and not more than 3/2; and the total thickness of the release layer, the colored layer, and the adhesion layer is not less than 1.0 μm and not more than 2.0 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.