Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883680 | Process for preparing dry acetaldehyde and product produced thereby | — | 1989-11-28 |
| 4882184 | Process for microwave browning and product produced thereby | Lawrence L. Buckholz, Jr., Marion A. Sudol | 1989-11-21 |
| 4880641 | Pineapple ketone carbonate derivatives | Louise M. L. Lawter | 1989-11-14 |