Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4303577 | Polyamide antiozonants | James S. Ridgway, Donald A. Holmer | 1981-12-01 |
| 4238603 | Polyamides derived from hexamethylene diamine, terephthalic acid, isophthalic acid and a C.sub.5 to C.sub.10 aliphatic dibasic acid | Richard D. Chapman, Donald A. Holmer, James H. Saunders | 1980-12-09 |
| 4218365 | Polyamide fibers having improved ozone fading resistance | James S. Ridgway, Richard D. Chapman, Kurt Moedritzer | 1980-08-19 |