Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871816 | Triblock polyarylene polyether with polysiloxane segment and impact-improved blends thereof | Virgil Percec, Dana S. Garcia | 1989-10-03 |
| 4868247 | Chlorinated polyvinyl chloride blends having low melt viscosities | Marvin H. Lehr | 1989-09-19 |
| 4806617 | Poly(dinaphthyl arylene ether) and preparation thereof | Virgil Percec | 1989-02-21 |