Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845070 | Catalyst for producing alpha, beta-ethylenically unsaturated aliphatic monocarboxylic acid and method of making said catalyst | — | 1989-07-04 |
| 4801571 | Catalyst and process for production of an alpha, beta-ethylenically unsaturated monocarboxylic acid | Stephen T. McKenna | 1989-01-31 |