Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870307 | Security pigment based on core-shell particles, and production method | Johann Kecht | 2020-12-22 |
| 10821766 | Core-shell particle-based security pigment, and production method | Johann Kecht | 2020-11-03 |
| 10576773 | Security element, method for producing the same and value document | Johann Kecht, Stephan Steinlein | 2020-03-03 |