Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6558762 | Zero oxygen permeation plastic bottle for beer and other applications | George E. Rotter, Stephen Y. Chen | 2003-05-06 |
| 6509436 | Oxygen scavenging condensation copolymers for bottles and packaging articles | Stephen Y. Chen | 2003-01-21 |
| 6506463 | Copolyamide active-passive oxygen barrier resins | Joel A. Richardson, Raymond V. Wass | 2003-01-14 |