Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346871 | Catalyst for dehydrogenation of paraffins | John L. Robbins, Elise Marucchi-Soos, Jack W. Johnson | 1994-09-13 |
| 5340657 | Pillared micas | Michael C. Kerby, Kenneth L. Riley, Fred M. Long, Jack W. Johnson | 1994-08-23 |
| 5330734 | Silica pillared micas | Jack W. Johnson | 1994-07-19 |