Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139766 | Process for preparing mixed zirconium and yttrium oxide powders | Thomas P. Lockhart, Armando Marcotullio | 1992-08-18 |
| 5118491 | Process for preparing mixed oxides of zirconium and yttrium | Thomas P. Lockhart | 1992-06-02 |
| 5035876 | Process for preparing a precursor of zirconium dioxide | — | 1991-07-30 |
| 4990474 | Process for preparing a zirconium dioxide precursor | — | 1991-02-05 |
| 4843184 | Process for extracting paraffins from their mixtures with paraffinsulfonic acids | Lucio Faggian, Edoardo Platone, Cosimo Franco | 1989-06-27 |