Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873365 | Process for the preparation of isophorone diisocyanate from isophorone dicarbamyl esters using highly selective SnO.sub.2 or CuO catalysts | Peter S. Forgione | 1989-10-10 |