Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364995 | Polymer cracking | Stephen Leng, David William Sims | 1994-11-15 |
| RE30970 | Polymerization catalyst | David L. Hyde | 1982-06-15 |
| 4256865 | Polymerization catalyst | David L. Hyde | 1981-03-17 |