Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8487123 | Process for initiating a highly selective ethylene oxide catalyst | Nabil Rizkalla, Norma B. Castagnola | 2013-07-16 |
| 5171371 | Method to treat porous stones for use in distressing fabric using high pressure steam and stones treated according to the method | — | 1992-12-15 |