Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895993 | Promoters for haloalkene isomerization | Richard C. Doss, Clarence R. Bresson | 1990-01-23 |
| 4728629 | Cracking catalyst restoration with aluminum compounds | Brent J. Bertus, Dwight L. McKay | 1988-03-01 |
| 4664779 | Cracking catalyst restoration with aluminum compounds | Brent J. Bertus, Dwight L. McKay | 1987-05-12 |
| 4622131 | Ore flotation | Clarence R. Bresson | 1986-11-11 |
| 4584283 | Cracking catalyst restoration with aluminum compounds | Brent J. Bertus, Dwight L. McKay | 1986-04-22 |
| 4397767 | Catalyst poisons passivated with tin compounds plus both sulfur and phosphorus | John S. Roberts, Brent J. Bertus, Dwight L. McKay | 1983-08-09 |
| 4324648 | Cracking catalyst poisons passivated with tin compounds plus both sulfur and phosphorus | John S. Roberts, Brent J. Bertus, Dwight L. McKay | 1982-04-13 |
| 4279735 | Passivation of metals contaminating a used cracking catalyst with certain antimony carbonates and their thio analogues | Brent J. Bertus, Dwight L. McKay | 1981-07-21 |
| 4257919 | Method of transferring a passivating agent to or from a cracking catalyst | John S. Roberts, Dwight L. McKay, Brent J. Bertus | 1981-03-24 |
| 4238362 | Passivation of metals contaminating a used cracking catalyst with certain antimony carbonates and their thio analogues | Brent J. Bertus, Dwight L. McKay | 1980-12-09 |