Surface additive infrared taggant toner
US10495996B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2018 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Oct 2, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09725
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner composition includes toner particles having a resin and a colorant, the composition further including an infrared luminescent taggant disposed on the surface of the toner particles. A method of making a toner composition includes toner particles having a resin and a colorant, the composition further including an infrared luminescent taggant disposed on the surface of the toner particles, the method includes blending toner particles with a surface additive package that includes the infrared luminescent taggant. An article includes a printed image disposed on the article, the printed image made with a toner composition including toner particles having a resin and a colorant, the composition further including an infrared luminescent taggant disposed on the surface of the toner particles, the printed image allowing authentication of the article by infrared detection of the infrared luminescent taggant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.