Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5089451 | Hardened catalyst particles and method for hardening the catalyst particles | James H. Edwards, Ralph J. Tyler | 1992-02-18 |
| 5066629 | Oxidative coupling catalyst for methane | Christopher A. Lukey, Ralph J. Tyler | 1991-11-19 |