Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10995231 | Security pigment, luminescent polymer resin and method for producing same | Johann Kecht | 2021-05-04 |
| 10988629 | Core-shell particle-based security pigment and method for production thereof | Johann Kecht | 2021-04-27 |
| 10953684 | Pigment system, luminescent dye system, and value document | Johann Kecht, Thomas Giering | 2021-03-23 |