Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047450 | Polyethylene terephthalate molding resin blends | — | 1991-09-10 |
| 5041476 | Rapidly crystallizing polyethylene terephthalate blends | — | 1991-08-20 |
| 5030680 | Rapidly crystallizing polyethylene terephthalate blends | Howard F. Efner | 1991-07-09 |
| 4631304 | Novel carbon black and process for preparing same | — | 1986-12-23 |
| 4518434 | Carbon black and process for preparing same | — | 1985-05-21 |