Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4565858 | Polyetherimides with high thermal stability and solvent resistance and precursors therefor | — | 1986-01-21 |
| 4460798 | Process for preparation of asymmetrical bisphenols | Charles M. Orlando | 1984-07-17 |
| 4460800 | Process for preparation of hydroxyaryldialkylcarbinols | Charles M. Orlando | 1984-07-17 |
| 4293683 | Method for making polyetherimides using carboxylic acid salts of alkali metals or zinc as catalysts | Tohru Takekoshi | 1981-10-06 |