Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701486 | Stabilizer compositions for PVC resins | Karl R. Wursthorn | 1987-10-20 |
| 4576984 | Stabilizer compositions for PVC resins | Keith A. Mesch, Karl R. Wursthorn | 1986-03-18 |
| 4394325 | Elemental sulfur-stablized organic antimony compound composition | Sidney White, Arthur F. Koeniger | 1983-07-19 |