Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4605621 | Clay-enzyme complexes and method for preparing same | Thomas J. Pinnavaia, Stephen A. Boyd | 1986-08-12 |
| 4367163 | Silica-clay complexes | Thomas J. Pinnavaia, Tadashi Endo | 1983-01-04 |