Ultraviolet printing with luminosity control
US9765226B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 27, 2014 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Mar 27, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24934
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein are printable compositions that include a UV-A blocking compound, wherein the composition is free of colorants that are visible under white light or UV light. Also disclosed herein are images formed by printing the printable composition on a substrate surface, wherein the substrate surface includes one or more Uv fluorescent materials on at least a portion thereof. Also disclosed herein are methods of forming an image on a substrate including printing a selected amount of the printable composition on top of a UV fluorescent material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.