Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322522 | Polyester/polyether segmented copolymers stabilized against degradation by UV light via copolymerization with analogs of 2,2,6,6-tetramethylpiperidine derivatives | David A. Johnson, Kenneth B. Wagener | 1982-03-30 |