Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4451661 | Preparation of gamma-pyrone intermediates | Paul D. Weeks | 1984-05-29 | $8,510,000 |
| 4390709 | Preparation of gamma-pyrones | Paul D. Weeks | 1983-06-28 | $21,639,000 |
| 4342697 | Preparation of gamma-pyrones | Paul D. Weeks | 1982-08-03 | $2,938,000 |