Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043418 | Method for stabilizing polyamide acid solutions of pyromellitic dianhydride and coating compositions | Daniel R. Olson | 1991-08-27 |
| 4960824 | Storage stable polyimide precursor solutions and method of preparation | Daniel R. Olson | 1990-10-02 |
| 4833190 | Zinc borate as a smoke suppressant | James Anthony Cella, David A. Williams | 1989-05-23 |
| 4774317 | Polyetherimides and method for making | John W. Verbicky, Jr. | 1988-09-27 |
| 4742150 | Solvent resistant polyetheramideimide containing benzanilide units | John W. Verbicky, Jr., Mark J. Bausch | 1988-05-03 |
| 4622368 | Plasticized polyetherimide blends | John W. Verbicky, Jr. | 1986-11-11 |
| 4554357 | Bis-quaternary salts as phase transfer catalysts for aromatic ether imide preparation | John W. Verbicky, Jr. | 1985-11-19 |
| 4476309 | Method for making aromatic etherimides | John W. Verbicky, Jr. | 1984-10-09 |
| 4467097 | Method for making aromatic bis(etherimide)s | John W. Verbicky, Jr., James Anthony Cella | 1984-08-21 |