Issued Patents 1989
Showing 1–2 of 2 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 | Antonio Gennaro, Paolo Cortesi | 1989-04-04 |
| 4808397 | Process for preparing fine particles of metal oxides | Enrico Albizzati, Luciano Zaninetta | 1989-02-28 |