Thermal transfer sheets
US9956803B2 · 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 colored layer, and an adhesion layer; and wherein the colored layer contains a colorant, polyester-based resin A, and polyester-based resin B; the number average molecular weight of the polyester-based resin A is not less than 15,000; the number average molecular weight of the polyester-based resin B is not more than 5,000; a content ratio by mass of the polyester-based resin A to the polyester-based resin B (polyester-based resin A/polyester-based resin B) in the colored layer is not less than 2/3 and not more than 9/1; and the adhesion layer includes a polyester-based resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.