Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689004 | Diamines containing pendent phenylethynyl groups | John W. Connell, Joseph G. Smith, Jr. | 1997-11-18 |
| 5681967 | Phenylethynyl phthalic anhydride | Joseph G. Smith, Jr. | 1997-10-28 |
| 5637670 | Polybenzimidazoles via aromatic nucleophilic displacement | John W. Connell, Joseph G. Smith, Jr. | 1997-06-10 |
| 5606014 | Imide oligomers and co-oligomers containing pendent phenylethynyl groups and polymers therefrom | John W. Connell, Joseph G. Smith, Jr. | 1997-02-25 |
| 5599993 | Phenylethynyl amine | Robert G. Bryant, Brian J. Jensen, Stephen J. Havens | 1997-02-04 |