Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812564 | Process for preparing 4,4-dialkyl-2-azetidinones utilizing a pyridine (or substituted pyridine) sulfur trioxide complex | William A. Slusarchyk | 1989-03-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812564 | Process for preparing 4,4-dialkyl-2-azetidinones utilizing a pyridine (or substituted pyridine) sulfur trioxide complex | William A. Slusarchyk | 1989-03-14 |