Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808076 | Purification of crude polyalkylene oxide polymers with acid functionalized silicas and metal silicates | George E. Hicks | 2020-10-20 |
| 8113215 | Smoking article filter having liquid additive containing tubes therein | Firooz Rasouli, Weijun Zhang | 2012-02-14 |