Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348304 | Cracking process and catalyst for same | John S. Roberts, Dwight L. McKay | 1982-09-07 |
| 4334979 | Hydrocarbon cracking process using a catalyst containing germanium | Dwight L. McKay | 1982-06-15 |
| 4324648 | Cracking catalyst poisons passivated with tin compounds plus both sulfur and phosphorus | John S. Roberts, Dwight L. McKay, H. Wayne Mark | 1982-04-13 |
| 4321129 | Cracking process employing catalyst having combination of antimony and tin | Dwight L. McKay | 1982-03-23 |