Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876348 | Process for making 3-cyanopyridine | Robert DiCosimo, James D. Burrington | 1989-10-24 |
| 4855275 | Catalyst performance improvement via separate boron addition | Michael J. Seely, James F. Brazdil, Robert K. Grasselli | 1989-08-08 |