Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857603 | Chain extension of polyethylene terephthalate with polyacyllactams | Jay A. Gervasi | 1989-08-15 |
| 4847322 | Thermoplastic compositions containing acyllactam graft linkages | John C. Haylock, Jay A. Gervasi | 1989-07-11 |
| 4843127 | Reactive elastomeric block co-oligomer and lactam-block copolymers derived therefrom | David E. Bradley, Thomas Gallagher | 1989-06-27 |
| 4826955 | Amorphous copolyamide article of manufacture with moisture-insensitive oxygen barrier properties | Jay A. Gervasi | 1989-05-02 |