Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818515 | Alpha-alumina in the form of spherical non-aggregated particles having a narrow size distribution and sizes below 2 microns and process for preparing same | Emiliano M. Ceresa, Antonio Gennaro | 1989-04-04 |