Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743353 | Oxidation process | Howard D. Simpson | 1988-05-10 |
| 4743359 | Reforming and related processes | Howard D. Simpson | 1988-05-10 |
| 4568450 | Hydrocarbon conversion process | Howard D. Simpson | 1986-02-04 |
| 4455390 | Catalyst and method for impregnating at a pH less than one | Howard D. Simpson | 1984-06-19 |