Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681628 | Pressurizable thermoplastic container having an exterior polyurethane layer and its method of making | Ken W. Niederst, John R. Zern | 1997-10-28 |
| 5652034 | Barrier properties for polymeric containers | — | 1997-07-29 |
| 5639848 | Ungelled polyamine-polyepoxide resins | Richard M. Nugent, Jr., Ken W. Niederst | 1997-06-17 |