Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5264187 | Treatment of hydrocarbons | Rebecca L. Jones, Roger W. Fenstermaker | 1993-11-23 | $8,812,000 |
| 5254748 | Methyl-tertiary ether production | Harvey Hensley, Richard L. Anderson | 1993-10-19 | $11,427,000 |
| 5143888 | Group VIII catalyst supported on mixture of zinc aluminate and calcium aluminate | — | 1992-09-01 | $10,530,000 |
| 5082987 | Treatment of hydrocarbons | Rebecca L. Jones, Roger W. Fenstermaker | 1992-01-21 | $17,159,000 |
| 5073662 | Catalyst and process for dehydrogenation and dehydrocyclization | — | 1991-12-17 | $10,728,000 |
| 4926005 | Dehydrogenation process | Dwight L. McKay, Dean Montgomery, by B. Jean, administratrix Montgomery | 1990-05-15 | $10,799,000 |
| 4902849 | Dehydrogenation process | Dwight L. McKay | 1990-02-20 | $14,501,000 |