Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885412 | Aldehyde production from alkylaromatics using molten nitrate salt catalyst | B. Timothy Pennington | 1989-12-05 |
| 4808689 | Process for producing polyurethane polyacetal elastomers and the product so produced | — | 1989-02-28 |