Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863991 | Filled composition comprising crystalline copolyamide from terephthalic acid, isophthalic acid and hexamethylene diamine | Wassily Poppe, Edward E. Paschke | 1989-09-05 |