Decorative articles having a changeable observed colour effect
US12295464B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 24, 2020 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Mar 28, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/80
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A decorative article (100) having an observed colour effect that is changeable depending on observer (200) viewing angle, the article comprising: a decorative element (110) comprising a front side (114) facing a forward direction and a back side (112) opposite the front side facing a rearward direction, wherein the back side comprises a back surface (113) having a first region (122) and a second region (124) surrounding the first region; a first coating (132) arranged on the first region of the back surface, the first coating causing a first colour effect (102); and a second coating (134) arranged on the second region of the back surface, the second coating causing a second colour effect (104) that differs from the first colour effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.