Thermochromic material
US10076923B2 · kind B2 · utility
1Cited by
4References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2015 |
| Grant date | Sep 18, 2018 |
| Priority date | — |
| Expiry date | Jun 23, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/32
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A print on-demand color shift material which has high reflection, high saturation color and intrinsic, high impact color-shift produced by thermal printing or laser writing for use, for example in security laminates, tax and excise stamps, machine-readable features and banknote foils, and offering a rainbow of colors with full color shifting, producible in full manufacturing scale.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.