Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5824731 | Thermoplastic carbon black concentrates containing reclaim carbon black | Donald R. Rondy | 1998-10-20 |
| 5200247 | Biodegradable film containing an alkanoyl polymer/PVA blend and method of making same | Pai-Chuan Wu, Thomas R. Ryle | 1993-04-06 |