Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348304 | Cracking process and catalyst for same | Brent J. Bertus, Dwight L. McKay | 1982-09-07 |
| 4347206 | Method of extruding polypropylene yarn | — | 1982-08-31 |
| 4347207 | Method of extruding polypropylene yarn | — | 1982-08-31 |
| 4340552 | Melt spinning solution dyed filaments and improved spin pack therefor | — | 1982-07-20 |
| 4324648 | Cracking catalyst poisons passivated with tin compounds plus both sulfur and phosphorus | Brent J. Bertus, Dwight L. McKay, H. Wayne Mark | 1982-04-13 |