Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330571 | Inclusion pigments of zirconium silicate with included chromic oxide, a process for the preparation and use thereof | Dietrich Speer, Akos Kiss, Peter Kleinschmit, Jenny Horst | 1994-07-19 |