Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5502247 | Process for recovery of aromatic acid or ester and polyol from waste polyester resins | Thomas M. Bartos, Bruce I. Rosen | 1996-03-26 |
| 5200557 | Process for preparation of crude terephthalic acid suitable for reduction to prepare purified terephthalic acid | John C. Gee, Thomas M. Bartos | 1993-04-06 |
| 4713421 | Process for obtaining narrow molecular weight distribution in vinyl aromatic mass polymerization system | Richard A. Hall | 1987-12-15 |