Microstructured taggant particles, applications and methods of making the same
US7288320B2 · kind B2 · utility
71Cited by
13References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2003 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | May 19, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Microstructured taggant particles, their applications and methods of making the same are described. Precisely formed taggant particles can be formed, in the range of 500μ and smaller, from either inert polymers or biodegradable materials bearing information indicia, such as through specific shape, size, color, reflectivity, refractive index, surface geometry, imprinting, optical effect or properties, and electromagnetic properties, to uniquely tag, identify or authenticate articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.