Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948631 | Preparation of particularly bluish pearl luster pigments | Werner Ostertag, Norbert Mronga | 1990-08-14 |
UG
Ulrich Graessle
Overall (All Time): #3,909,273 of 4,157,543Top 95%
1
Patents All Time