Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883845 | Curable composition of polyether sulfone or polyether ketone copolymer and unsaturated imide | Friedrich Stockinger | 1989-11-28 |
| 4826927 | Mixtures containing polymides alkenyphenols and either epoxide group-free adducts or another polyimide | Rolf Schmid, Abdul-Cader Zahir | 1989-05-02 |