Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350806 | Biocompatible copolymers | — | 1982-09-21 |
| 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, Robert L. Gilly | 1982-03-30 |