Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350830 | Method for making acrylic acid from acrolein | David L. Childress, William V. Hayes | 1982-09-21 |
| 4208306 | Catalyst for making acrylic acid from acrolein or propylene | David L. Childress, William V. Hayes | 1980-06-17 |