Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773270 | Effect pigments | Gerhard Pfaff, Klaus Ambrosius, Ralf Petry, Michael Roesler, Sabine Schoen | 2023-10-03 |
| 11746240 | Interference pigments | Ulrich Schoenefeld, Thomas KRASEMANN, Manfred Thon, Martina Welsch, Ralf Schweinfurth +1 more | 2023-09-05 |