Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304626 | Polyimide copolymers containing 3,3',4,4'-tetracarboxybiphenyl dianhydride (BPDA) moieties | Douglas E. Fjare, Herbert Neuhaus | 1994-04-19 |
| 5137751 | Process for making thick multilayers of polyimide | Douglas E. Fjare, Herbert Neuhaus, Robert T. Roginski, David A. Wargowski | 1992-08-11 |
| 4975331 | Polyimide copolymers containing 4,4'-bis(p-aminophenoxy)biphenyl and siloxane diamine moieties | David A. Wargowski, Agnes M. Palka | 1990-12-04 |
| 4960846 | Polyimide copolymers containing 4,4'-bis(p-aminophenoxy)biphenyl and siloxane diamine moieties | David A. Wargowski, Agnes M. Palka | 1990-10-02 |