Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975331 | Polyimide copolymers containing 4,4'-bis(p-aminophenoxy)biphenyl and siloxane diamine moieties | Marvin J. Burgess, David A. Wargowski | 1990-12-04 |
| 4960846 | Polyimide copolymers containing 4,4'-bis(p-aminophenoxy)biphenyl and siloxane diamine moieties | Marvin J. Burgess, David A. Wargowski | 1990-10-02 |
| 4258227 | Short residence hydropyrolysis of residues from aromatic carboxylic acid manufacture | John K. Allen, Edward Albert Lambers | 1981-03-24 |