Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863991 | Filled composition comprising crystalline copolyamide from terephthalic acid, isophthalic acid and hexamethylene diamine | Yu-Tsai Chen, Edward E. Paschke | 1989-09-05 |
| 4831108 | Polycondensation process with mean dispersion residence time | Joel A. Richardson, Benjamin A. Bolton, Edward E. Paschke | 1989-05-16 |